System restore error code 0x80070091

What is System restore error code 0x80070091?

System restore error code 0x80070091 is an error that usually occurs when your computer is not being maintained regularly. The computer could become unstable and critical system files fail to respond or starts missing.

How can you fix System restore error code 0x80070091?

Some of the solutions to this error include testing the hard disk drive (HDD) for a bad sector.

Please see our in-depth walk-through solutions below.

1. Test Hard Disk Drive (HDD)

"System restore error code 0x80070091" may occur if your hard disk drive (HDD) or External HDD has a bad sector. You may need to run check disk to check your HDD. If the Windows is installed in an HDD with a bad sector, it is highly recommended to replace the HDD. You may use the HDD with the bad sector as a secondary HDD. However, if an HDD has a lot of bad sectors, it is advisable not to use it anymore. You may encounter a lot of errors and it may corrupt files stored in it.

Performing Check disk in Command prompt. Diagnose your HDD or SSD for any error.

1. 1. Option 1. Click Windows Start type CMD, then right-click Command Prompt and then select Run as Admin.
      Option 2. Right-click Windows Start and select Command Prompt (Admin).
   2. Type inchkdsk /r.
      NOTE: For external Hard Driver or secondary Hard driver, please use this. Chkdsk X: /F, where X is the letter assigned to your external HDD.
   3. Wait until it is done.
   4. Windows will tell you if an error is detected or not.
   5. Consider HDD for replacement if an error is detected.