Search Wiki:
Article Translations
English, Français, Deutsch, Italiano, 한국어, 繁體中文, 简体中文, 日本語, Русский, Português (Brasil)

A Hotfix is a product update package with one or more updated product files that fix a specific product problem.


Please be aware this Hotfix has not gone through full Microsoft product regression testing nor has it been tested in combination with other Hotfixes.

Please carefully review the associated Hotfix KB article to verify the fix is the one needed and there are no known compatibility or installation issues. You may also want to contact a Microsoft Support Professional at

Issue Description

KB900822 FIX: When a .NET Framework based application uses the System.Threading.Timer class, the timer event may not be signaled in the .NET Framework 1.1 SP1

When a managed Microsoft .NET Framework application uses the System.Threading.Timer class in the Microsoft .NET Framework 1.1 Service Pack 1 (SP1), the timer event may not be signaled. Typically, this problem occurs if the computer that is running the application is under a heavy load or if many timer objects are running.

Additional Information about the issue resolved by this Hotfix can be found in its Knowledge Base article at

Additional Hotfixes
Search the list of all other publicly available Visual Studio and .NET Framework Hotfixes at*

Last edited Jun 23 2008 at 8:19 PM  by codegalleryadmin, version 4
Page view tracker