Microsoft KB Archive/296510

= OLEXP: Outlook Express Rolls Back to Version 4 from Version 6 When You Revert to Previous Version =

Article ID: 296510

Article Last Modified on 1/31/2007

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APPLIES TO


 * Microsoft Outlook Express 6.0
 * Microsoft Outlook Express 6.0

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This article was previously published under Q296510



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
After you install Outlook Express 6 and Internet Explorer 6 on a computer that runs Windows 98 or Windows 98 Second Edition, when you then try to revert to the previous version of the two programs, Internet Explorer correctly returns to version 5, but Outlook Express returns to version 4. You may also receive the following error message when you restart the computer:

Could not find Msimn.info



CAUSE
This behavior can occur if the backup information for Outlook Express is corrupted or has been deleted.



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.



MORE INFORMATION
When Internet Explorer 5 is installed over Internet Explorer 4, Outlook Express Setup saves the backup information for the installed Outlook Express 4. If you delete the backup information for Internet Explorer 5, the Outlook Express backup data is not deleted. When you install Internet Explorer 5.01, Outlook Express does not take new backup data, and the backup data for Outlook Express is therefore for version 4.

Additional query words: oe

Keywords: kberrmsg kbbug kbnofix kbinterop KB296510

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