FIX: You experience high CPU usage and other problems when you run a .NET Framework 1.1 application

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You run an application that you built by using the Microsoft .NET Framework version 1.1. After your application has been running for a short time, a thread in the thread pool may become corrupted.

When this problem occurs, you may experience one or more of the following problems:
  • CPU usage suddenly increases to 80 percent, and one thread in the application becomes deadlocked.
  • Another thread continues to create manual events.
  • A wait thread fires repeatedly on an AutoResetEvent event that has a Win32 native manual event under it because the wait thread is trying to process the completion.

Software update information

A supported software update is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This software update may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Microsoft .NET Framework 1.1 service pack that contains this software update.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the software update. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site:Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

File information

The English version of this software update has the file attributes (or later) 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 tool in Control Panel.
.NET Framework 1.1 (Microsoft Windows Installer installation)
   Date         Time   Version         Size    File name   --------------------------------------------------------------------------   11-Jun-2003  21:13  2.1.1257.23812  94,208  Microsoft.windowsinstaller.dll
.NET Framework 1.1 for Windows Server 2003
   Date         Time   Version       Size       File name   --------------------------------------------------------------   28-Aug-2003  19:06  1.1.4322.936     77,824  Corperfmonext.dll   28-Aug-2003  19:05  1.1.4322.936    311,296  Mscorjit.dll   28-Aug-2003  19:05  1.1.4322.936  2,093,056  Mscorlib.dll   28-Aug-2003  19:05  1.1.4322.936  2,498,560  Mscorsvr.dll   28-Aug-2003  19:05  1.1.4322.936  2,490,368  Mscorwks.dll
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
More information
For additional information, 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: 828698 - Last Review: 01/17/2015 05:22:55 - Revision: 2.0

Microsoft .NET Framework 1.1

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