last back up did not complete successfully
whenever i try to back use automatic backup it shows "last backup did not complete successfuly" i go to more information and what i see is "windows backup failed while determining libraries location of one of the users included in the backup. Details: BitLocker Drive Encrytion cannot be used because critical BitLocker system files are missing or corrupted. Use Windows Startup repair to restore this files to the computer. What can i do? I just bought this new pc and a Passport Essential to complement it, now i can not get it running.
August 29th, 2010 11:30pm

This is a link about how to run a Startup Repair in Windows 7: http://www.sevenforums.com/tutorials/681-startup-repair.html Proceed like it mentioned in this article and your problem will be solved. Best regards.
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August 30th, 2010 1:29am

Hi, After checking your issue, your BitLocker Drive Encryption is enabled is the cause, please refer to this knowledge base (KB) article to troubleshoot the issue: Error code 0x81000031 occurs when you try to back up files by using the Backup and Restore Wizard on a Windows 7-based computer And you can try the suggestion in this thread: Windows 7: Windows Backup failed 0x81000031 Hope it helps . Regards, Alex zhao
August 31st, 2010 12:15pm

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