When you run an application that is built by using the Microsoft .NET Framework 2.0, the managed heap becomes corrupted. Additionally, you receive an error message that resembles the following in the application event log:
Event ID : 1023 Raw Event ID : 1023 Record Nr. : 14 Category : None Source : .NET Runtime Message : NET Runtime version 2.0.50727.42 - Fatal Execution Engine Error (7A05E2B3) (80131506)
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.
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 MSDN Code Gallery 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.
For more information about the MSDN Code Gallery, visit the following Microsoft Web site:
The following list contains prerequisites for the hotfix:
Microsoft .NET Framework 2.0
Restart requirement
You do not have to restart the computer after you apply this hotfix.
Hotfix replacement information
This hotfix does not replace a previously released update.
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.