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Article ID: 216641 - Last Review: August 23, 2012 - Revision: 4.0

This article was previously published under Q216641

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After 49.7 days of continuous operation, your Windows-based computer may stop responding (hang).

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This problem can occur because of a timing algorithm in the Vtdapi.vxd file.


 To resolve this problem, use the appropriate method: 

Windows 98

The following file is available for download from the Microsoft Download Center:
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Download 216641up.exe now (
Release Date: Jun-04-1999

For additional 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 Services
Microsoft 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 to prevent any unauthorized changes to the file.


Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.

More information

For additional information about Windows 95 updates, click the article number below to view the article in the Microsoft Knowledge Base:
161020  ( ) Implementing Windows 95 Updates

Applies to
  • Microsoft Windows 95
kbdownload kbenv kbgraphxlinkcritical kbprb KB216641
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