Cannot use Bit Locker encryption because Bit Locker critical system files are missing or damaged.

Original title: file corruption

My laptop is around the age of 13 months. For the 6 months charges I couldn't play all the music in the music library of the media player. the error message would say my music files have been damaged or corrupted. I tried to delete the files, but could not. unexpetedly about 2 weeks ago the media player has started working properly, and even though I was confused, I was happy to be able to listen to my music. However, when I did my weekly back, a message appeared that said that some files could not be backed up. My computer has since fallen twice and had to repair itself and then when I tried my weekly backup only yesterday, the computer won't start backup. reads the error message: Bit Locker encryption cannot be used because the Bit Locker critical system files are missing or damaged.

I find it strange that "file corruption" has been cited again but when I try recommended fixes, nothing changes, just as it was when I had problems with the music. Help, please

Hi Effie_777,

Thanks for posting the question in the Microsoft Community Forum.

Answering this question that helps us provide the best solution:

Have what difficulties you tried?

Try the steps mentioned in this link:

Error code 0 x 81000031 occurs when you try to back up files by using the backup and restore on a Windows 7 computer Assistant

http://support.Microsoft.com/kb/975692

Hope this information helps. If you have any other questions feel free to respond and we would be happy to help.

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