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#1
Press Win+X, select to open a Command Prompt (Admin), then type these commands to fix any issues. Press ENTER at the end to execute:
Dism.exe/online /Cleanup-Image /StartComponentCleanup
sfc/scannow
Dism/Online /Cleanup-Image /RestoreHealth
sfc/scannow
You can also copy each command, then right-click on the Command Prompt window title and select Edit->Paste.
If one of the commands doesn't complete successfully you need further troubleshooting.