Win7 system update failed? Solution!

　What should I do if the win7 system update fails? As the usage rate of computers is getting higher and higher, we may sometimes encounter the problem of win7 system update failure. Many friends do not know how to operate in detail. The editor has compiled a repair tutorial for win7 system update failure. If If you are interested, follow the editor and take a look below!

## Win7 system update failed repair tutorial

Prompt found error:

Code 80071A91 Windows update encountered an unknown error

Code 80070643 Windows update encountered an unknown error.

Ultimate solution:

1. Start menu - All Programs - Attachments

2. Right-click "Command Prompt" and select "Run as administrator"

3. Enter the following command and press Enter. After the operation is successfully completed, you can proceed with the system update.

fsutil resource setautoreset true c:

"c:" in the above code refers to the disk where the system is located. If Windows 7 is installed on another disk, it will be changed to the corresponding drive letter.

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