That is strange.
Which version of Windows 10 is currently installed? See how to verify:
https://answers.microsoft.com/en-us/windows/wik...
Which version and edition Windows did you originally upgrade from?
Windows 7 Starter, Home Basic, Home Premium, Windows 8.0 Core, Windows 8.1 Windows 7 Professional, Windows 7 Ultimate, Windows 8.0 Pro, Windows 8.1 Pro
Try these first to see if they work:
Open Start, type: CMD
Right click CMD
Click Run as administrator
Type in at the prompt OR Copy and Paste these one at a time : (Hit enter after each)
Dism /Online /Cleanup-Image /CheckHealth
Dism /Online /Cleanup-Image /ScanHealth
Dism /Online /Cleanup-Image /RestoreHealth
Also run the System File Checker utility:
Open Start, type: CMD
Right click CMD
Click Run as administrator
At the Command Prompt, type: sfc/scannow
This will check for any integrity violations
Restart your system
If that does not work, try performing a repair upgrade: