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Article ID: 290700 - Last Review: June 19, 2014 - Revision: 4.0

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When you try to restore a checkpoint that you created after September 8, 2001 in Windows Millennium Edition, the restoration does not work after you restart your computer. You may also receive the following error message:
Restoration Was Unsuccessful


This problem occurs because the algorithm that is used to calculate the checkpoint file name does not work after September 8, 2001.


Microsoft has released an update that corrects this problem. When you install this update, a checkpoint is automatically generated. Checkpoints that you create before you install this update do not work after you install the update. The following file is available for download from the Microsoft Download Center:
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Download 290700usam.exe now (
For additional information about how to download Microsoft Support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591  ( ) How to Obtain Microsoft Support Files from Online Services
Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help to prevent any unauthorized changes to the file.

The English version of this update has the file attributes (or later) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.
   Date        Time  Version      Size     File name
   03/02/2001  8:21  255,552  Smgr.dll 


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

More information

For additional information about Windows Me hotfixes, click the following article number to view the article in the Microsoft Knowledge Base:
295413  ( ) General information about Windows Millennium Edition software updates
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Retired KB ArticleRetired 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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