Question This black box keeps popping up

Feb 24, 2019
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A command prompt like box keeps popping up. It's called Select C:\Microsoft.NET\Framework\v2.0.50727\regasm.exe Don't recommend me an sfc scan because I've already done it.
 
Try this:
right click start button
choose powershell (admin)
type SFC /scannow and press enter
once its completed, copy/paste this command into same window:
Repair-WindowsImage -Online -RestoreHealth and press enter
SFC fixes system files, DISM cleans image files, re run SFC if it failed to fix all files and restart PC