You may receive a "The application or DLL C:\Windows\System32\win32k.sys is not a valid Windows image" error in MPSReport on a computer that is running Windows Server 2003 or Windows 2000

You are using the Microsoft Product Support Reporting Tool (MPSReport) on a computer that is running Microsoft Windows Server 2003 or Microsoft Windows 2000. You may receive the following error message in MPSReport: The following event may also be logged in the System event log:

Event Type: Information
Event Source: Application Popup
Event Category: None
Event ID: 26
Date: <date>
Time: <time>
User: N/A
Computer: computername
Description: Application popup: DUMPEL.EXE - Bad Image : The application or DLL C:\WINDOWS\System32\win32k.sys is not a valid Windows image. Please check this against your installation diskette.

This problem occurs when an error message that is similar to the following is logged in the System event log: This event is logged when Windows experiences desktop heap exhaustion. You receive the error message that is mentioned in the "Symptoms" section every time this event is logged.

You can safely ignore this error message. The error message is displayed by an incorrect operation in the Dumpel.exe program. This program is contained in MPSReport.

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.