Microsoft KB Archive/174714

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OLEXP: OE Error Message: This Program Has Performed an Illegal Operation

Article ID: 174714

Article Last Modified on 10/2/2002


  • Microsoft Outlook Express 4.0

This article was previously published under Q174714


When you try to log off from Outlook Express without choosing a user name, you may receive the following error message:

This program has performed an illegal operation.

If you then click Details, you see the following message:

Rundll32 caused an Invalid Page Fault in module Mslocusr.dll

Note that when you close the error message box, you remain logged on.


To resolve this issue, repeat the log-off process and click a user name when you are prompted.

Additional query words: 4.00

Keywords: kberrmsg kbui KB174714