Microsoft KB Archive/138835

= Error Messages in Mmsystem.dll or Rundll32 =

Article ID: 138835

Article Last Modified on 5/10/2007

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APPLIES TO


 * Microsoft Windows 98 Standard Edition
 * Microsoft Windows 95
 * Microsoft Windows Millennium Edition

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This article was previously published under Q138835



If this article does not describe the error message that you are receiving, view the following Microsoft Knowledge Base article to view more articles that describe error messages:

315854 Windows 98 and Windows Me Error Message Resource Center



SYMPTOMS
You may receive random general protection (GP) fault error messages in Mmsystem.dll. You may also receive one of the following error messages:

Rundll32 - This program has performed an illegal operation and will be shut down.

Rundll - This program has performed an illegal operation and will be shut down.

Clicking the Details button reveals a message similar to one of the following:

RUNDLL32 caused a General Protection Fault in module MMSYSTEM.DLL

RUNDLL caused a General Protection Fault in module MMSYSTEM.DLL at 000a:00000032

This error message is more likely to occur after you use the Add New Hardware tool in Control Panel.



CAUSE
This problem can occur if the "drivers=mmsystem.dll" line is missing from the [boot] section of the System.ini file.



RESOLUTION
To correct this problem, follow these steps:

 Use any text editor (such as Notepad) to edit the System.ini file.  Add the following line to the [boot] section of the file: drivers=mmsystem.dll  Save and then close the System.ini file. Restart your computer.



MORE INFORMATION
This problem can occur when the System.ini file has been replaced with the System.cb file.

Additional query words: gpf mmsystem dll

Keywords: kberrmsg kbgpf kbprb KB138835

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