Error 0x80070091 System Restore

Hi everyone,

 

I am trying to restore my system through the recovery menu using system restore as my computer won't even boot into Windows. I tried to restore my system to an earlier restore point and I encountered error 0x80070091 saying that it failed to replace a file about Windows Defender. It says that an unspecified error occurred during System Restore. Automatic repair wouldn't even work. CHKDSK says everything is fine.

 

Can anyone help please?

 

Cheers,

 

Ryan

 

Question Info


Last updated August 31, 2018 Views 18,007 Applies to:

Hi Ryan Cariaso ,


It seems that there are some bad sectors on the external hard drive. You may need to run check disk to fix any bad sectors on the external hard drive and check.

Follow this step to do the same:

a. Click Start and in start Search, type CMD

b. Right click on CMD and select ‘Run as Administrator'

c. At a command prompt, type the following command, and then press ENTER

chkdsk /f /r X:( drive letter for external hard drive)

d. Press Y when you are prompted to check the disk the next time that the system restarts.

e. Close all applications, and then restart the computer.

When you restart your system, your computer will be scanned for errors and attempts will be made to correct them.

Note: While performing checkdisk on the hard drive if any bad sectors are found on the hard drive when chkdsk tries to repair that sector if any data available on that might be lost.

Additionally you may refer the following link for more information:

Check a drive for errors

http://windows.microsoft.com/en-us/windows7/Check-a-drive-for-errors

Hope this information is helpful

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Hi Ryan Cariaso ,


It seems that there are some bad sectors on the external hard drive. You may need to run check disk to fix any bad sectors on the external hard drive and check.

Follow this step to do the same:

a. Click Start and in start Search, type CMD

b. Right click on CMD and select ‘Run as Administrator'

c. At a command prompt, type the following command, and then press ENTER

chkdsk /f /r X:( drive letter for external hard drive)

d. Press Y when you are prompted to check the disk the next time that the system restarts.

e. Close all applications, and then restart the computer.

When you restart your system, your computer will be scanned for errors and attempts will be made to correct them.

Note: While performing checkdisk on the hard drive if any bad sectors are found on the hard drive when chkdsk tries to repair that sector if any data available on that might be lost.

Additionally you may refer the following link for more information:

Check a drive for errors

http://windows.microsoft.com/en-us/windows7/Check-a-drive-for-errors

Hope this information is helpful

How much time does it takes? It applies to Windows 10 too for the same problem?

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thing is I have the exact same issue I caught a virus cleaned it out. but pc is having issues with os.

 

random explorer crashes now

 

ran sfc and all came back 100% okay so

 

decided to do a restore point from a week ago

error 0x80070091 System Restore

 

one from 10 days ago

 

Error 0x80070091 System Restore

brand new 512g SSD no errors no issues.

 

none of my restore points work and the HD is new and no issues. so time for some guessing I guess. I know its 99% blame the hardware but your last heavy update pushed blew my account settings on my pc and since I had just installed windows a month before and copying profiles kept telling me I was always logged in. I said screw it reset windows 10 and now its restore points are blowing? I have 18tb of external storage but my I am restoring from C my 512G SSD so I digress if I see the repeat I've seen for this error its a bad hd with bad sectors (yes I ran health on my ssd and trim as I said no errors) I am going to pull out my old ms ops manager address book and start emailing someone.

 

 

 

 

into everyone's life a little brain must fall

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Several suggestion to the problem has been suggested here (a couple worked):
https://answers.microsoft.com/en-us/windows/forum/windows_10-update/win-10-system-restore-fail-0x80070091/7f690ec3-a3da-4c14-90fd-3eb0ba83f4ac

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thank you thank  you thank you. after uninstalling spybot setting all my regular antivirus and firewall to disabled it still didn't work I did rename the appfolder to appfolder1 as described in the thread you linked me to 

so then after pulling my hair out put it into reboot and safe mode and did the restore point from advanced settings without booting into anything and low and behold it worked.

so I am going to consider my issue solved and thank you very much for your research and showing me that thread.

into everyone's life a little brain must fall

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btw thats a keeper thread for me.  thanks again!

Several suggestion to the problem has been suggested here (a couple worked):
https://answers.microsoft.com/en-us/windows/forum/windows_10-update/win-10-system-restore-fail-0x80070091/7f690ec3-a3da-4c14-90fd-3eb0ba83f4ac

into everyone's life a little brain must fall

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https://answers.microsoft.com/tr-tr/windows/forum/windows_7/sistem-geri-y%C3%BCkleme-hatas%C4%B1/305742c8-1183-4f0b-9809-672958f8effe?rtAction=1488549025545

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THANK YOU SO MUCH OMG! I had deleted a steam game from my laptop in order to clear my save entirely, since that game tracks savescum and by extension resets, i thought that was the only way, but the common file glitched and stayed, with who knows as an unchangeable owner, as a read only that couldn't be deleted and i couldn't reinstall the game because the file already existed with no permissions for anything, and nothing i did could fix this untill i did the chkdsk and im running the now reinstalled game as we speak

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