XCLN: Err Msg: This Program has Performed an Illegal Operation

 Last reviewed: March 2, 1998
Article ID: Q154086
The information in this article applies to:
  • Microsoft Exchange Windows 95 client, versions 4.0 and 5.0

SYMPTOMS

When you start the Windows 95 Exchange client, you may receive the following error message: 

   This program has performed an illegal operation and will be shut
   down. If the problem persists, contact the program vendor.
If you click the Details button, additional information such as the following will appear: 

   Exchange32 caused an invalid page fault in module......(the module
   specified will vary)

CAUSE

Your Windows 95 password file has become corrupt.

RESOLUTION

Rename your Windows 95 password (.PWL) file, and exit Windows 95. When you reenter Windows 95, a new password file will be created.

To rename the *.PWL file, follow these steps:

  1. Click the Start button.
2. Click Find. 3. Click Find Files or Folders. 4. In the Named drop down list box, enter "*.PWL". 5. Select the listed file. 6. Click Rename on the File menu. 7. Enter a new name for the file. For example: <name>.PWL becomes <name>.OLD 8. Click Close on the File menu. 9. Restart the computer.

or follow these steps:

  1. Click the Start button.
2. Click Programs 3. Click MS-DOS Prompt. 4. At the C:\WINDOWS> prompt, type: 

      DIR *.PWL

   and press Enter.
5. Using the filename that is returned, type: 

      REN <filename>.PWL <filename>.OLD

   and press Enter.
6. Type EXIT and press Enter. 7. Restart the computer.

Additional query words:
Keywords : XCLN kbusage
Version : 4.0 5.0
Platform : WINDOWS
Issue type : kberrmsg

THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY.

Last reviewed: March 2, 1998
© 1998 Microsoft Corporation. All rights reserved. Terms of Use.