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Symptoms

After you apply update 973879 on a computer that is running an x64-based version of Windows Vista or of Windows Server 2008, you may receive a "Stop 0x0000007e" or "Stop 0x00000050" error message within 10 minutes after system startup.

Resolution

If you have already applied this update, and you are experiencing these issues, we recommend that you install the latest release of this update. To do this, visit the following Microsoft Web site:

http://www.update.microsoft.comWhen you visit this Web site, update 973879 will install automatically.

Additionally, Microsoft has also made this update available on the Microsoft Download Center. To download this update from Microsoft Download Center, click the download link in the following section as appropriate for your operating system.

Windows Vista, 64-bit versions

The following file is available for download from the Microsoft Download Center:

DownloadDownload the Update for Windows Vista for x64-based Systems (KB973879) package now.

For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:

119591 How to obtain Microsoft support files from online servicesMicrosoft scanned this file for 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.

Windows Server 2008, 64-bit versions

The following file is available for download from the Microsoft Download Center:

DownloadDownload the Update for Windows Server 2008 x64 Edition (KB973879) package now.

For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:

119591 How to obtain Microsoft support files from online servicesMicrosoft scanned this file for 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.

More Information

For more information about update 973879, click the following article number to view the article in the Microsoft Knowledge Base:

973879 You receive a "Stop 0x0000003E" error message when you try to install Windows Vista Service Pack 2 or Windows Server 2008 Service Pack 2 on a computer that has certain multiple processors

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