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

Retired KB ArticleThis article was written about products for which Microsoft no longer offers support. Therefore, this article is offered "as is" and will no longer be updated.
Article ID:174714
Last Review:October 2, 2002
Revision:1.0
This article was previously published under Q174714

SYMPTOMS

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.

RESOLUTION

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

APPLIES TO
Microsoft Outlook Express 4.0

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Keywords: 
kberrmsg kbui KB174714

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