Article ID: 239135 - View products that this article applies to.
This article was previously published under Q239135
For information about the differences between Microsoft Outlook Express and Microsoft Outlook e-mail clients, click the following article number to view the article in the Microsoft Knowledge Base:
(https://support.microsoft.com/kb/257824/EN-US/ )OL2000: Differences Between Outlook and Outlook Express
When you send a message in Outlook Express, you may receive one of the following error messages:
Outlook Express: There was an error opening this message.
An error has occurred.
The Address Book failed to load. Outlook Express is incorrectly configured, please re-install.
The message could not be sent. Some of the recipients for this message are not valid. Please verify the names.
To resolve this issue, extract a new copy of the Wab32.dll file from the Windows Update Setup Files folder into the "C:\Program Files\Common Files\System" folder. To do so, use the appropriate method:
Windows 95For additional information about how to extract a file, please click the article number below to view the article in the Microsoft Knowledge Base:
(https://support.microsoft.com/kb/129605/EN-US/ )How to Extract Original Compressed Windows Files
Windows 98 Second Edition
Rename foldersSearch for and Rename folders.dbx and outbox.dbx to *.old restart OE.
Article ID: 239135 - Last Review: January 25, 2007 - Revision: 3.1