In the command prompt try run the following commands:
sfc /scannow
DISM /Online /Cleanup-Image /CheckHealth
DISM /Online /Cleanup-Image /ScanHealth
DISM /Online /Cleanup-Image /RestoreHealth
Press enter and see if it solve any issue?
You may create Windows installation, if you have access to another PC in a DVD or USB using Download Windows 10 (microsoft.com).