Error Message: The Set of Folders Could Not Be Opened

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This article was previously published under Q172604

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SYMPTOMS

When you try to open the Microsoft Exchange Inbox, you may receive either of the following error messages:

The set of folders could not be opened. An unexpected error occurred. Could not initialize the provider (MSPST.DLL) MAPI 1.0 - 1026 (8004010F)
Unable to display the folder. An unexpected error has occured. Mapi was unable to load the information service mspst.dll. Be sure the service is correctly installed and configured.

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CAUSE

The Mspst32.dll file may be missing or damaged.

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To resolve this issue, extract a new copy of the Mspst32.dll file from your original Windows 95 disks or CD-ROM to the Windows\System folder.

The Mspst32.dll file is located in the Win95_06.cab cabinet file on the Windows 95 CD-ROM, the Win95_06.cab cabinet file on disk 6 of the original Windows 95 DMF floppy disks, or from the Win95_10.cab cabinet file on disk 10 of the original Windows 95 non-DMF floppy disks.

For information about using the Extract tool, please see the following article in the Microsoft Knowledge Base:

129605 (http://support.microsoft.com/kb/129605/EN-US/ ) How to Extract Original Compressed Windows Files

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APPLIES TO

Microsoft Windows 95

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kberrmsg kbprb KB172604

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Retired KB Content Disclaimer

This 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.

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