For information about the differences between Microsoft Outlook and Microsoft Outlook Express e-mail clients, click the following article number to view the article in the Microsoft Knowledge Base:
257824 OL2000: Differences Between Outlook and Outlook Express
SYMPTOMS
When you try to send a message in Outlook Express 5.01 by using a Microsoft Windows 95 connection to MSN, you may receive one of the following error messages:
MSIMN caused a stack fault in module UNKNOWN at 0000:7e2f427b
or
The message could not be sent. An error has occurred.
You may also have messages that are stuck in the Outbox.