Win10 system upgrade to version 1903 failed

Enter "Control Panel" and click the "Control Panel" result in [Troubleshooting].

In the pop-up page, click [Use "Windows Update" to solve the problem]

Run as administrator .

Operation method: When the troubleshooter pops up, click [Advanced], and then click [Run as administrator]. )

The troubleshooter pops up again (this time it is run as an administrator). Click [Next] and it shows that the problem is being detected.

found mistake! It turned out that WU was damaged and needed to be downloaded again.

Click [Apply this fix] and wait for a while.

Successfully solved the problem! Go back to Windows Update and click [Check for Updates] (or [Retry]).

Restart the download and installation.

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