Err Msg: Mprexe Caused an Invalid Page Fault in Module Kernel...

• Microsoft Internet Explorer for Windows 95
• Microsoft Outlook Express for Windows 95
• Microsoft Internet Explorer for Windows 98
• Microsoft Outlook Express for Windows 98
• Microsoft Windows 98

SYMPTOMS

When you attempt to start Internet Explorer or Outlook Express on a Windows 95 or Windows 98-based computer, your computer may stop responding (hang), and you may receive one of the following error messages:

Explorer caused an invalid page fault in module Kernel32.dll.

Commgr32 caused an invalid page fault in module Kernel32.dll.

Mprexe caused an invalid page fault in module Kernel32.dll.

Msgsrv32 caused an invalid page fault in module Kernel32.dll.

CAUSE

This behavior can occur if your password list (PWL) file is damaged.

RESOLUTION

To resolve this issue, use the following steps:

1. Click Start, point to Find, and then click Files Or Folders.



2. In the Named box, type *.pwl, and then click Find Now.



3. In the list of found files, right-click each file, and then click Delete. Repeat step 3 until all of the .pwl files are deleted.



4. On the File menu, click Close.



5. Restart the computer. The password list files are re-created automatically when you log on to Windows.



6. Download the Mspwlupd.exe file from the following Microsoft Web site, and then double-click the file to run it:
   
   NOTE: You do not need to perform this step if you are running Windows 98.

   http://www.microsoft.com/windows95/downloads/default.asp

MORE INFORMATION

For additional information about other issues that may cause these error messages, see the following article in the Microsoft Knowledge Base:

Q154092 Err Msg: Explorer Caused an Invalid Page Fault in Kernel32.dll

Additional query words: ipf

Keywords : kbenv kberrmsg outexw95 msiew95 outexw98 msiew98
Version : WINDOWS:
Platform : WINDOWS
Issue type : kbprb