Error Message: GP Fault in Mmsystem.dll

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     This article discusses a Beta release of a Microsoft
     product. The information in this article is provided as-is
     and is subject to change without notice.

     No formal product support is available from Microsoft for
     this Beta product. For information about obtaining support
     for a Beta release, please see the documentation included
     with the Beta product files, or check the Web location
     from which you downloaded the release.

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The information in this article applies to:

• Microsoft Windows 98
• Microsoft Windows 95

SYMPTOMS

You may receive random general protection (GP) fault error messages in Mmsystem.dll.

You may also receive the following error message:

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

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:

1. Use any text editor (such as Notepad) to edit the System.ini file.

2. Add the following line to the [boot] section of the file:

         drivers=mmsystem.dll
   

3. Save and then close the System.ini file.

4. Restart your computer.

MORE INFORMATION

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