Error message when you start a multiprocessor computer that runs Windows Vista: "STOP: 0x0000007E"

Support for Windows Vista without any service packs installed ended on April 13, 2010. To continue receiving security updates for Windows, make sure you're running Windows Vista with Service Pack 2 (SP2). For more information, refer to this Microsoft web page: Support is ending for some versions of Windows


When you start a multiprocessor computer that runs Windows Vista, you may receive the following Stop error message:
STOP: 0x0000007E (parameter1, parameter2, parameter3, parameter4)
This problem typically occurs after a driver for a third-party network adapter is installed.

  • The parameters in this Stop error message vary, depending on the configuration of the computer.
  • Not all "0x0000007E" Stop error messages are caused by this problem.


This problem may occur because of a race condition in the Netio.sys driver.


Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site: Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.


To apply this hotfix, you must have Windows Vista Service Pack 1 installed.

For more information, click the following article number to view the article in the Microsoft Knowledge Base:

935791 How to obtain the latest Windows Vista service pack

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.
Windows Vista, x86-based versions
File nameFile versionFile sizeDateTimePlatform
Wfp.mofNot applicable81418-Dec-200721:11Not applicable
Wfp.tmfNot applicable175,50827-Mar-200801:56Not applicable
Windows Vista, x64-based versions
File nameFile versionFile sizeDateTimePlatform
Wfp.mofNot applicable81418-Dec-200721:10Not applicable
Wfp.tmfNot applicable174,68027-Mar-200802:32Not applicable
Wfp.mofNot applicable81418-Dec-200721:11Not applicable
Windows Vista, Itanium-based versions
File nameFile versionFile sizeDateTimePlatform
Wfp.mofNot applicable81418-Dec-200721:11Not applicable
Wfp.tmfNot applicable174,77527-Mar-200802:27Not applicable
Wfp.mofNot applicable81418-Dec-200721:11Not applicable


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

More Information

To merge this hotfix into a system image, follow these steps:
  1. Use the Expand.exe tool in Windows Vista to extract the updated files from the hotfix package that has an .msu file name extension.

    For more information about how to extract files from hotfix packages, click the following article number to view the article in the Microsoft Knowledge Base:

    928636 You cannot extract the contents of a Microsoft Update Standalone Package for Windows Vista

  2. Use system image management tools to merge the files that you extracted in step 1 into a system image. For more information, visit the following Microsoft TechNet Web site:
For more information about Windows Vista deployment, visit the following Microsoft TechNet Web site:For more information about Windows Vista system recovery, click the following article number to view the article in the Microsoft Knowledge Base:

927525 After you install a device or update a driver for a device, Windows Vista may not start

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates

Article ID: 950570 - Last Review: Apr 14, 2010 - Revision: 1