windows turn saying powershell cannot be instantiated: common language runtime detected an invalid program

  crash, powershell, windows

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So I’m facing an issue that:
Windows turn on for a few min would pop up a window saying: PowerShell cannot be instantiated: common language runtime detected an invalid program. Then every-time I tried to open PowerShell it would crash.

I’ve tried sfc /scannow with result:

Windows Resource Protection found corrupt files and successfully repaired them.
Details are included in the CBS.Log %WinDir%LogsCBSCBS.log.

Reboot. still same issue.

Please help, Thanks!

Source: Windows Questions

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