Explanation of the error codes that are generated by Device Manager for Windows 2000, Windows Millennium, Windows 98, and Windows 95

This article lists error codes that may be reported by Device Manager, and provides possible resolutions. To view error codes, follow these steps:
1. Click Start, point to Settings, and then click Control Panel.
2. In Control Panel, double-click System.
3. Click the Device Manager tab.
4. Double-click a device type (for example, double-click Mouse) to see the devices in that category.
5. Double-click a device to view its properties. If an error code has been generated, the code appears in the Device Status box on the General tab. In some cases, there is a Solution button (Windows 98 only).
For more information, click the following article number to view the article in the Microsoft Knowledge Base:
310123 Explanation of error codes generated by Device Manager in Microsoft Windows XP Professional

MORE INFORMATION
Code 1
This device is not configured correctly. (Code 1)

To update the drivers for this device, click Update Driver. If that doesn't work, see your hardware documentation or Microsoft Windows support website for more information .

Solution button: Update Driver

This code means that the system has not had a chance to configure the device. To resolve the problem, follow the instructions in the Device Status box. In addition, you may be able to resolve this issue by removing the device in Device Manager, and then running the Add New Hardware wizard from Control Panel.

Code 2
Depending on which device is failing, you may see either of two different messages. This code means that the device loader (DevLoader) did not load a device. When this device is a Root Bus DevLoader (for example, ISAPNP, PCI, or BIOS), the following message is displayed
Windows could not load the driver for this device because the computer is reporting two bus types. (Code 2)

Contact your computer manufacturer to get an updated BIOS for your computer.

where is ISAPNP, PCI, BIOS, EISA, or ACPI.

Solution button: None

When the device is not a root bus DevLoader, the following message is displayed
The device loader(s) for this device could not load the device driver. (Code 2)

To fix this, click Update Driver to update the device driver.

where is the DevLoader such as FLOP, ESDI, SCSI, and so on.

Solution button: Update Driver

In addition to following the recommended solution, try removing the device from Device Manager, and then running the Add New Hardware wizard.

Code 3

The driver for this device may be bad, or your system may be running low on memory or other resources. (Code 3)

To update the drivers for this device, click Update Driver. To check your computer's memory and system resources, right-click My Computer on your desktop, click Properties, and then click the Performance tab.


Solution button: Update Driver

As an alternative, use Device Manager to remove the device and then run the Add New Hardware tool in Control Panel.

Code 4
This device is not working properly because one of its drivers may be bad, or your registry may be bad. (Code 4)

To Update the drivers for this device, click Update Driver. If that doesn't work, run Scanregw.exe (click Start, click Run, type Scanregw.exe, and then click OK) to check your registry.


Solution button: Update Driver

This code indicates that the .inf file for this device may be incorrect or the registry may be damaged. This error code is displayed if the .inf file specifies a field that should be text, but is binary instead.

In addition to following the recommended suggestions, use Device Manager to remove the device and then run the Add New Hardware tool in Control Panel. If you continue to receive this error code, please contact the hardware's manufacturer for an updated .inf file.


Code 5

The driver for this device requested a resource that Windows does not know how to handle. (Code 5)

To fix this, click Update Driver to update the driver for this device.


Solution button: Update Driver

This code indicates that there was a device failure due to the lack of an arbitrator. If a device requests a resource type for which there is no arbitrator, you receive this error code.

To resolve this problem, update the driver as suggested, or use Device Manager to remove the device and then run the Add New Hardware tool in Control Panel.


Code 6
Another device is using the resources this device needs. (Code 6)

To fix this, shut down your computer, turn it off, and then change the resources for this device. When you have finished, start Device Manager and change the resource settings for this device


Solution button: Hardware Troubleshooter

This code means that there is a conflict between this device and another device.


Code 7
The message text that is displayed for this error is specific to the driver or enumerator. If the driver does not provide information as to why it failed, the following message is displayed:
The drivers for this device need to be reinstalled. (Code 7)

To reinstall the drivers for this device, click Reinstall Driver.

Solution button: Reinstall Driver

This code means that no configuration can be performed on the device.

If the device works correctly, you do need not to perform any steps to correct the code. If the device does not work correctly, use Device Manager to remove the device and then run the Add New Hardware tool in Control Panel. If you continue to receive this error code and the device does not function properly, check with the hardware manufacturer for an updated driver.

Code 8
Several different error messages can be displayed for this error code. This code means that the device loader (DevLoader) for a device could not be found. For example, the .inf file for the device may refer to a missing or invalid file.

The following error situations are included in this error code:

• A system DevLoader is one that is part of Vmm32.vxd, and typically begins with an asterisk (*). If the DevLoader is a system DevLoader, the following text is displayed
This device is not working properly because Windows cannot load the file that loads the drivers for the device. (Code 8)

To fix this problem, run Windows Setup again using your Windows CD-ROM.
where is the system DevLoadert that cannot be found.

Solution button: None
• If this is not a system DevLoader and the DevLoader cannot be found (the file is missing), the following text is displayed
This device is not working properly because Windows cannot find the file that loads the drivers for the device. (Code 8)

To fix this problem, click Reinstall Device to reinstall this device.
where is the DevLoader that is missing.

Solution button: Reinstall Driver
• If this is not a system DevLoader and it can be found on the disk (the file does exist), the following text is displayed:
This device is not working properly because the file that loads the drivers for this device is bad. (Code 8)

To fix this problem, click Update Driver to update the drivers for this device."
where is the name of the DevLoader.

Solution button: Update Driver
• If the DevLoader entry is a software key for this device that is missing or an empty string, the following text is displayed:
Device failure: Try changing the driver for this device. If that doesn't work, see your hardware documentation. (Code 8)"
Solution button: Update Driver
For most cases, the resolution is to reinstall or update the driver. As an alternative, use Device Manager to remove the device and then run the Add New Hardware tool in Control Panel. If you continue to receive this error code, contact the hardware's manufacturer about updated drivers.

When the problem DevLoader is a system DevLoader, Windows should be re-installed because this driver is built into the Vmm32.vxd file.

Code 9
The text for this error code varies, depending on whether or not the device is BIOS/ACPI enumerated. If this is a BIOS or ACPI enumerated device, the following text is displayed:
This device is not working properly because the BIOS in your computer is reporting the resources for the device incorrectly. (Code 9)

Contact your computer manufacturer to get an updated BIOS for your computer.

Solution button: None

If this is not a BIOS or ACPI enumerated device (such as an add-in adapter or a device that was plugged in to the computer), the following text is displayed:
This device is not working properly because the BIOS in the device is reporting the resources for the device incorrectly. (Code 9)

Contact the device manufacturer to get an updated BIOS for your device.

Solution button: None

This code means that the information in the registry for this device is invalid.

It may be possible to resolve this error by using Device Manager to remove the device and then running the Add New Hardware tool in Control Panel. If you continue to receive this error code, contact the hardware's manufacturer for the proper registry settings or updated drivers.

Code 10
If the device has a "FailReasonString" value in its hardware key, that string is displayed as the error message. The driver or enumerator places this registry string value there. If there is no "FailReasonString" in the hardware key, the following generic error message is displayed:
This device is either not present, not working properly, or does not have all the drivers installed. (Code 10)

Try upgrading the device drivers for this device.

Solution button: Update Driver

To resolve this error code, make sure the device is connected to the computer correctly. For example, make sure all cables are plugged in fully and that all adapter cards are properly seated. Follow the suggested solution button and update the device driver. It may be possible to remove the device and redetect it using the Add New Hardware wizard.

Code 11
Windows stopped responding while attempting to start this device, and therefore will never attempt to start this device again. (Code 11)

For more information, look up ASD in Windows Help.

Try upgrading the device drivers for this device.


Solution button: Update Driver

To resolve this error, run the Automatic Skip Driver utility from the System Information tool. If the problem persists, contact the hardware manufacturer for updated drivers.

Code 12
This device cannot find any free resources to use. (Code 12)

If you want to use this device, you must disable another device that is using the resources this device needs. To do this, click Hardware Troubleshooter and follow the instructions in the wizard.


where is a resource type (IRQ, DMA, Memory, or I/O).

Solution button: Hardware Troubleshooter

This code means that one of the resource arbitrators failed. This can occur if the device is software configurable and it does not currently have a resource (if the system is out of resources). For example, all the interrupts are in use, or the device requests a resource that is currently in use by another device that will not release the resource.

To resolve this problem, follow the instructions in the Hardware Troubleshooter. In addition, see the "Troubleshooting Conflicting Hardware" topic in Windows 95 Help, or see the following article in the Microsoft Knowledge Base:

Troubleshooting Device Conflicts with Device Manager




Code 13
This device is either not present, not working properly, or does not have all the drivers installed. (Code 13)

To have Windows detect whether this device is present or not, click Detect Hardware.


Solution button: Detect Hardware

This code indicates that the device driver did not find the hardware.

To resolve this error code, follow the recommended solution. As an alternative, use Device Manager to remove the device and then run the Add New Hardware tool in Control Panel.


Code 14
This device cannot work properly until you restart your computer. (Code 14)

To restart your computer now, click Restart Computer.


Solution button: Restart Computer

To resolve this error code, shut down Windows, shut down your computer, and then turn it back on.


Code 15
This device is causing a resource conflict. (Code 15)

To resolve the conflict, click Hardware Troubleshooter and follow the instructions in the wizard.


Solution button: Hardware Troubleshooter

This code means that the device's resources are conflicting with another device's resources, likely caused by re-enumeration.

To resolve this problem, follow the instructions in the Hardware Troubleshooter. In addition, see the "Troubleshooting Conflicting Hardware" topic in Windows 95 Help, or see the following article in the Microsoft Knowledge Base:
Troubleshooting Device Conflicts with Device Manager


Code 16
Windows could not identify all the resources this device uses. (Code 16)

To specify additional resources for this device, click the Resources tab and fill in the missing settings. Check your hardware documentation to find out what settings to use.


Solution button: None

This code means that the device was not fully detected. When a device is not fully detected, all of its resources may not be recorded.

To resolve this error code, click the Resources tab in Device Manager to manually enter the settings.


Code 17
The driver information file is telling this child device to use a resource that the parent device does not have or recognize. (Code 17)

To fix this, click Update Driver to update the drivers for this device.


where is the .inf file for the device.

Solution button: Update Driver

This code means that the hardware is a multiple-function device and the .inf file for the device is providing invalid information on how to split the device's resources to the child devices.

To resolve this error code, use Device Manager to remove the device and then run the Add New Hardware tool in Control Panel. If you continue to receive this error code, please contact the hardware's manufacturer about an updated .inf file.



Code 18
The drivers for this device need to be reinstalled. (Code 18)

To reinstall the drivers for this device, click Reinstall Driver.


Solution button: Reinstall Driver

This code means that an error has occurred and the device needs to be reinstalled.

To resolve this issue, follow the recommended solution. If that does not work, try removing the device from Device Manager and then running the Add New Hardware Wizard in Control Panel.

Code 19
Your registry may be bad. (Code 19)

To check your registry, click Check Registry. If the registry is bad, Windows will restart your system and go back to a previous registry that is good.


Solution button: Check Registry

This code means that the registry returned an unknown result.

To resolve this issue, follow the recommended solution, which will run Scanreg.exe. If this does not resolve the issue, type "scanreg /restore" (without quotation marks) from a command prompt. Finally, remove the device from Device Manager, and then redetect it using the Add New Hardware tool in Control Panel.


Code 20
Windows could not load one of the drivers for this device. (Code 20)

To fix this, click Update Driver to update the drivers for this device.

Solution button: Update Driver

This code means VxD Loader (Vxdldr) returned an unknown result. For example, there could a version mismatch between the device driver and the operating system.

To resolve this issue, follow the recommended solution. If that does not work, try removing the device from Device Manager and then running the Add New Hardware Wizard in Control Panel.


Code 21
Windows is removing this device. (Code 21)

Close this dialog box, and then wait a few seconds. If this problem continues, restart your computer.


Solution button: Restart Computer

This code means that the device has a problem that may be resolved by restarting your computer.

To resolve this error code, shut down Windows, turn off your computer, and then turn it back on.

Code 22
The text displayed for this error code differs depending on the circumstances.
• If this device is disabled because you disabled it using Device Manager, the following text is displayed:
This device is disabled. (Code 22)

Click Enable Device to enable this device.
Solution button: Enable Device
• If the device is not started, the following text is displayed:
This device is not started. (Code 22)

Click Start Device to start this device.

Solution button: Start Device
• If the device is disabled by a driver or program, the following text is displayed:
This device is disabled. (Code 22)

You can't enable this device because it has been disabled by a Windows driver.
Solution button: None
This code means that the device is either disabled or has not started.

To resolve this error code, follow the recommended solution. For the third case, try removing the device in Device Manager, then redetecting it using the Add New Hardware wizard. If the problem persists, try a clean boot to rule out software interference. If the error persists, contact the hardware manufacturer.

Code 23
The text displayed for this error code differs depending on the Circumstances.
• If this device is a secondary display adapter and the primary display adapter was located, the following text is displayed:
This display adapter is functioning correctly. (Code 23)

The problem is with the main display adapter. To view the properties for the main display adapter, click Properties."
Solution button: Properties
• If this device is a secondary display adapter and the primary display adapter cannot be located, the following text is displayed:
This display adapter is functioning correctly. (Code 23)

The problem is with the main display adapter. Fix the main display adapter, and then this display adapter will work.
Solution button: None
• If this device is not a display adapter, the following text is displayed:
The loaders for this device cannot load the required drivers. (Code 23)

To update the device drivers, click Update Driver.
Solution button: Update Driver
This code means that the device loader delayed the start of a device and then did not inform Windows when it was ready to start the device.

To resolve this error code, verify the settings for the primary display adapter in Display properties. Try removing the primary and secondary display adapters from Device Manager, and then rebooting to allow Windows to re-enumerate these devices and make the booting process fast. Verify that the drivers are current and installed correctly.

For devices other than display adapters, follow the recommended solution. If that does not work, try removing the device from Device Manager and using the Add New Hardware wizard to redetect the device.

Code 24
The text displayed for this error code differs depending on the type of device (legacy or Plug and Play).
• If this device is a legacy (root detected) device, the following text will be displayed:
This device is either not present, not working properly, or does not have all the drivers installed. (Code 24)

To have Windows detect whether this device is present or not, click Detect Hardware.
Solution button: Detect Hardware
• If this is a Plug and Play device, the following text is displayed:
This device is either not present, not working properly, or does not have all the drivers installed. (Code 24)

Try upgrading the device drivers for this device.
Solution button: Update Drivers
This code means that the device was not found (for example, it is missing or is not working properly).

To resolve this error code, follow the recommended solutions. If the device still does not work, make sure the device is connected to your computer correctly. For example, make sure all cables are correctly installed, or that the adapter cards are properly seated in their slots.

Code 25
Windows is in the process of setting up this device. (Code 25)

To complete the setup, click Restart Computer to restart you computer.


Solution button: Restart Computer

This problem typically exists only during the first and second boots after Windows Setup copies all the files. As such, if this code is identified, it is likely an incomplete installation.

To resolve this issue, follow the recommended solution. Reinstalling Windows may be required, depending on whether or not the reboot resolves the issue.


Code 26
Windows is in the process of setting up this device. (Code 26)

To complete the setup, click Restart Computer to restart you computer.

Solution button: Restart Computer

This code means a device did not load. There may be a problem in the device driver or not all the drivers were installed.

To resolve this error code, follow the recommended solution. If this does not work, use Device Manager to remove the device and then run the Add New Hardware tool in Control Panel. If you continue to receive this error code, check with the hardware's manufacturer or the Microsoft Software Library for an updated driver.

Code 27
Windows can't specify the resources for this device. (Code 27)

Click the Resources tab, and then select the basic configuration for the resources this device uses. To see which resources this device uses, see the documentation for this device.

Solution button: None

This code means that the portion of the registry describing possible resources for a device does not contain valid entries. For example, the device is marked as configurable, but the configuration information in the .inf file is set to hardwired.

To resolve this error code, use Device Manager to remove the device and then run the Add New Hardware tool in Control Panel. If the device still does not work, consult the hardware manufacturer for updated drivers or further assistance.

Code 28
The drivers for this device are not installed (Code 28).

To reinstall the drivers for this device, click Reinstall Driver

Solution button: Reinstall Driver

This code means the device was not installed completely.

To resolve this issue, follow the recommended solution. If that does not work, try removing the device from Device Manager and using the Add New Hardware wizard to redetect it. You may need to obtain updated drivers if the error still occurs.

Code 29
This device is disabled because the BIOS for the device did not give it any resources. (Code 29)

You must enable the device in the BIOS. See your hardware documentation for details, or contact your computer manufacturer to get an updated BIOS.

Solution button: None

This code means that the device has been disabled because the device does not work properly and cannot be made to work properly with Windows. This code may also be present if the device is intentionally disabled in the BIOS.

You may be able to resolve this error code by enabling or disabling the device in the computer's CMOS settings. Windows cannot override this setting. Please contact the computer's manufacturer for assistance with using the computer's CMOS configuration program.

Code 30
This device is using an Interrupt Request (IRQ) resource that is in use by another device and cannot be shared. You must change the conflicting setting or remove the real-mode driver causing the conflict. (Code 30)"


Solution button: None

This code means that an IRQ cannot be shared. This may occur when a PCI/EISA SCSI controller is sharing an IRQ that is also in use by a real-mode device driver that Windows cannot change.

To resolve this error code, remove the real-mode driver that is using the same IRQ as this device. The real-mode driver may be loading in the Config.sys or Autoexec.bat file.

Code 31 (new in Windows 98)
This device is not working properly because is not working properly. (Code 31)

To view the properties for and see why it is not working, click Properties."


where is the dependent device that must be fixed in order for this device to work properly.

Solution button: Properties

This code appears when a device is dependent on another device to be functioning correctly. This does not include devices that are enumerated by the parent device.

The Properties button displays the properties for the other device. More than likely, the other device will also have one of these Device Manager error codes. Follow all the recommended solutions. If the devices still do not work, remove them from Device Manager and use the Add New Hardware wizard to redetect them. Finally, consult with the hardware manufacturer for updated drivers.


Code 32 (new in Windows 98)
Windows cannot install the drivers for this device because it cannot access the drive or network location that has the setup files on it. (Code 32)

To fix this problem, click Restart Computer to restart your computer. If that doesn't work copy all the setup files onto your local hard disk, and run setup from there.


Solution button: Restart Computer

This code indicates that the installation disk or CD-ROM was not available to install the drivers. For example, the CD-ROM drive or network connection is not available. This error typically occurs during the first or second reboot after all the files are copied during Setup.

To resolve this issue, first attempt to restart as suggested. If this does not resolve the problem, determine why the installation disk or CD-ROM is not available. Typically, these devices also have Device Manager codes (such as the CD-ROM controller or network adapter). Resolve the issue to gain access to the installation disk or CD-ROM prior to resolving this conflict.

Code 33 (new in Windows 98)
The message text that is displayed for this error is specific to the driver or enumerator. If the driver does not provide information as to why it did not work, the following message is displayed:
This device isn't responding to its driver. (Code 33)

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Error which occurs after Windows XP is already installed

If you receive the "Stop: 0x0000000A" error message after Windows XP is already installed, recently added third-party software or hardware may be causing the error. First, try the methods in the "Troubleshoot third-party software and hardware" section to troubleshoot other components. You may want to have support documentation available for any recently added software or hardware. If these methods do not resolve the issue, then try the methods in the "Restore Windows" section.

Troubleshoot third-party software and hardware

Method 1: Examine recently added third-party software

If you have installed any third-party software, try to remove or disable it so that it does not load. Then, restart the computer to see whether that software or driver is causing the error.
• If there is more than one piece of third-party software, remove or disable each one at a time, and then restart your computer after you remove or disable each to try to isolate which third-party software is causing the error.
• If removing the third-party software resolves the Stop error message, then there was an issue with the software that was causing the error. Report this issue to the vendor to try to resolve the issue.
• If removing the third-party software did not resolve the Stop error message, then the software is not the problem. Go to the "Method 2: Examine recently added third-party hardware" section.

Method 2: Examine recently added third-party hardware

If you added any hardware devices or drivers after Windows was installed, remove the recently added hardware, and then restart your computer to see whether the hardware is causing the error.
• If there is more than one piece of recently added hardware, remove each device or driver one at a time and then restart your computer after you remove each to try to isolate which hardware is causing the error.
• If removing the recently added hardware resolves the Stop error message, then use one or more of the following methods to try to resolve the issue:
a. Obtain updated drivers for devices if they are available.
b. Contact the vendor of the device or driver to see whether there are any known issues with the hardware.
c. Run diagnostics to make sure that the hardware is working correctly.
If this method resolves the Stop error message, you are finished.
• If removing the recently added device did not resolve the Stop error message, try to restore Windows with System Restore. To do this, go to the "Restore Windows" section.

Restore Windows

If troubleshooting recently added third-party software and hardware does not resolve the Stop error message, try to restore Windows. To do this, first try method 1.
Method 1: Use the Last Known Good Configuration feature

The Last Known Good Configuration feature is a recovery option that you can use when you cannot start Windows XP after you make a change to your computer, or when you suspect that a change that you previously made may have caused a problem. This feature restores registry information and driver settings that were in effect the last time that the computer started successfully. For more information about using the Last Known Good configuration, click the following article number to view the article in the Microsoft Knowledge Base:
307852 How to start your computer by using the
Last Known Good Configuration feature in Windows XP
• If this method restores windows and resolves the Stop error message, you are finished.
• If this method did not restore Windows or did not resolve the Stop error message, go to method 2.
Method 2: Repair the Microsoft Windows Xp installation
If you were unable to restore Windows by using the Last Known Good Configuration feature, try to restore Windows by repairing the Windows XP installation.
Prerequisites
Make sure that you have the Windows XP installation CD or DVD available.
Suggested materials
Before you start the troubleshooting steps, you may want geto have the following available:
• Antivirus or BIOS-level software documentation
• Computer documentation about how to set up your CD or DVD drive as the first priority startup device
To repair the Windows XP installation, follow these steps:
1. Disable any antivirus program and BIOS-level antivirus protection. For help get antivirus security for your computer
2. Make sure that the CD or DVD drive is the first priority startup device. See your computer documentation for information about how to do this.
3. Insert the Windows XP CD into the CD or DVD drive, and then restart your computer.
4. When the instruction to "Press any key to boot from CD" appears, press a key. Your computer starts from the Windows XP CD.
5. When the computer starts from the CD, the system verifies your hardware, and then prompts you to select one of the following options:
• To set up Windows XP now, press ENTER.
• To repair a Windows XP installation using Recovery Console, press R.
• To exit Setup without installing Windows XP, press F3.
6. Press ENTER.
7. Press F8 to accept the Licensing Agreement.
8. A box lists your current Windows XP installation, and then the computer prompts you to select one of the following options:
• To repair the selected Windows XP installation, press R.
• To continue installing a fresh copy of Windows XP without repairing, press ESC.
9. Press R. After you repair Windows XP, you may have to reactivate Windows XP if you changed some hardware.
• If this method restores Windows and resolves the Stop error message, you are finished.
• If this method did not restore Windows or did not resolve the Stop error message, go to method 3.
Method 3: Use the Rollback Driver feature

If you can start your computer in safe mode, use this method to restore Windows when method 2 does not work.

The Rollback Driver feature enables you to replace a device driver by using a previously installed version. You can use this feature if you have installed a new device driver that causes your computer to be unstable. When you use the Rollback Driver feature, you can restore (or roll back) the previous device driver, and continue to use the computer. For more information about how to use the Roll Back Driver feature, click the following article number to view the article in the Microsoft Knowledge Base:
283657 How to use the Roll Back Driver feature in Windows XP
• If this method restores Windows and resolves the Stop error message, you are finished.
• If this method did not restore Windows or did not resolve the Stop error message, go to method 4.

Method 4: Use the Windows XP System Restore feature
If you can start your computer in safe mode, use this method to restore Windows when method 3 does not work. Windows XP System Restore takes a "snapshot" of critical system files and some program files and stores this information as restore points. You can use these restore points to return Windows XP to a previous state. For more information about how to use the System Restore feature, click the following article number to view the article in the Microsoft Knowledge Base:
306084 How to restore the operating system to a previous state in Windows XP
• If this method restores Windows and resolves the Stop error message, you are finished.
• If this method did not restore Windows or did not resolve the Stop error message, go to method 5.

Method 5: Use Recovery Console

We recommend that you use the Recovery Console to restore Windows only after safe mode and other startup options do not work. If you cannot start your computer, you can run the Recovery Console from the Windows XP startup disks or CD-ROM.

You can use Recovery Console to enable and disable services, format drives, read and write data on a local drive (including drives that are formatted to use the NTFS file system), and perform many other administrative tasks. The Recovery Console is especially useful if you have to repair your computer by copying a file from a disk or CD-ROM to your hard disk, or if you have to reconfigure a service that is preventing your computer from starting correctly.
Prerequisites
Make sure that you have the Windows XP installation CD or DVD available. For additional information about how to use Recovery Console, click the following article number to view the article in the Microsoft Knowledge Base:
307654 How to install and use the Recovery Console in Windows XP
• If this method restores Windows and resolves the Stop error message, you are finished.
• If this method did not restore Windows or did not resolve the Stop error message, go to method 6.
Method 6: Rename the problem software or driver

If you can start your computer in DOS or safe mode, use this method as a last resort when all other methods to try to restore Windows do not work.
• If Windows is located on a FAT partition, start the computer by using MS-DOS, and then rename the problem software or driver.
• Otherwise, use safe mode with a Command prompt to start the computer, and then rename the problem software or driver.

For more information about safe mode boot options, visit the Microsoft Help and Support Web site and see "A description of the Safe Mode Boot options in Windows XP."
• If this method restores Windows and resolves the Stop error message, you are finished.
• If this method did not restore Windows or did not resolve the Stop error message, visit the following Microsoft Web site for information about how to contact Support:

http://support.microsoft.com/contactus/

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I am going to discuss about Windows XP installation error. While installing SP 2 you received an error stating "Access is denied". The install then stops and is rolled back.

The following three approaches to be tried in order have been suggested by MS. Note that you should be trying the install from and Admin acount:

1. Try using a different Admin acount.

2. Use an Admin account and install from Safe mode.

3. Use SubInAcl. The following is from an MS representative. It assumes that you have installed your system on C:\ so that subinacl is installed at C:\Program Files\Windows Resource Kits\Tools. Adjust this if you've installed XP in a different partition.

While installing SP 2 you received an error stating "Access is denied". The install then stops and is rolled back. The following three approaches to be tried in order have been suggested by MS. Note that you should be trying the install from and Admin acount: 1. Try using a different Admin acount. 2. Use an Admin account and install from Safe mode. 3. Use SubInAcl. The following is from an MS representative. It assumes that you have installed your system on C:\ so that subinacl is installed at C:\Program Files\Windows Resource Kits\Tools. Adjust this if you've Windows installed XP in a different partition or get computer help and support Quote: 1. Download and install subinacl from: https://exchange.iyogi.net/owa/redir.aspx?C=4933ea2426364c62b3dbaca9e119a6e7&URL=http%3a%2f%2fwww.microsoft.com%2fdownloads%2fdetails.aspx%3fFamilyID%3de8ba3e56-d8fe-4a91-93cf-ed6985e3927b%26displaylang%3den 2. Create a file named reset.cmd in C:\Program Files\Windows Resource Kits\Tools folder. 3. Edit the reset.cmd file with the following content. subinacl /subkeyreg HKEY_LOCAL_MACHINE /grant=administrators=f subinacl /subkeyreg HKEY_CURRENT_USER /grant=administrators=f subinacl /subkeyreg HKEY_CLASSES_ROOT /grant=administrators=f subinacl /subdirectories %SystemDrive% /grant=administrators=f subinacl /subkeyreg HKEY_LOCAL_MACHINE /grant=system=f subinacl /subkeyreg HKEY_CURRENT_USER /grant=system=f subinacl /subkeyreg HKEY_CLASSES_ROOT /grant=system=f subinacl /subdirectories %SystemDrive% /grant=system=f 4. Enter into CMD prompt. 5. Enter the following commands one at a time and click Enter. cd\ cd "C:\Program Files\Windows Resource Kits\Tools" reset.cmd 6. After a few minutes by processing subinacl, please test the problem again or get Some basic guidelines for a better computing performance and experience Related Information and Article Microsoft Windows Support Get your computer fixed with professional computer support service providers Microsoft Online Support: Get Microsoft Certified Technician in Minutes Online Microsoft Support

How to obtain the latest Windows XP service pack

Windows XP Service Pack 3

Windows XP Service Pack 3 is a service pack that is cumulative back to the last currently-supported service pack. This means that Windows XP Service Pack 3 contains all the fixes that were included with Windows XP Service Pack 2 (SP2). If you have already Installed Microsoft Windows XP Service Pack 3 (SP3), you do not have to install Windows XP SP2.

Note You must have either Windows XP Service Pack 1 a or Windows XP Service Pack 2 installed in order to install windows XP Service Pack 3.

How to obtain

You can use Windows Update or the Microsoft Download Center to obtain Windows XP Service Pack 3 (SP3)

Check for updates on Windows Update

1.	Visit the following Microsoft Web site: http://windowsupdate.microsoft.com (http://windowsupdate.microsoft.com) or get instant online microsoft support
2.	Click Express Install (Recommended).
3.	If your computer qualifies, Windows XP SP3 will be one of the updates that are automatically selected. Click Install.
4.	Review and accept the End User License Agreement (EULA).

Windows XP SP3 will be downloaded to your computer, and the Windows XP Service Pack 3 Setup Wizard will help you install it.

Obtain the latest Windows XP service pack from the Microsoft Download Center

If you have trouble obtaining the service pack from Windows Update, you can obtain the standalone update package from the Download Center.
The following file is available for download from the Microsoft Download Center:

Download the Windows XP Service Pack 3 package now. (http://www.microsoft.com/downloads/details.aspx?FamilyId=5B33B5A8-5E76-401F-BE08-1E1555D4F3D4)

Microsoft scanned this file for various types of computer viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.

How to obtain Windows XP Service Pack 3 on a CD

To order Windows XP SP3 on a CD, visit one of the following Microsoft Web sites, as appropriate for your region:

Asia

https://om2.one.microsoft.com/opa/start.om?StoreID=D7A098F4-4034-4CCB-A785-9E890E6B4F5B&LocaleCode=en-us&NewTrans=1 (https://om2.one.microsoft.com/opa/start.om?StoreID=D7A098F4-4034-4CCB-A785-9E890E6B4F5B&LocaleCode=en-us&NewTrans=1)

Europe and Africa

https://om2.one.microsoft.com/opa/start.om?StoreID=7B7AA929-BD0A-487A-BC7E-DF7631FEE660&LocaleCode=en-us&NewTrans=1 (https://om2.one.microsoft.com/opa/start.om?StoreID=7B7AA929-BD0A-487A-BC7E-DF7631FEE660&LocaleCode=en-us&NewTrans=1)

North America

https://om2.one.microsoft.com/opa/start.om?StoreID=CE6E3AFC-6B25-4F99-8913-3E3453AD966D&LocaleCode=en-us&NewTrans=1 (https://om2.one.microsoft.com/opa/start.om?StoreID=CE6E3AFC-6B25-4F99-8913-3E3453AD966D&LocaleCode=en-us&NewTrans=1)

South America

https://om2.one.microsoft.com/opa/start.om?StoreID=2CE39C54-6B20-417F-B9C0-9F513FA18153&LocaleCode=en-us&NewTrans=1

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