Fail to open Local group policy

Go to C:\Windows\System32\GroupPolicy\Machine

In this Machine folder there is a Script folder and the Registry.pol file.

Rename Registry.pol in Registry.bak  and that should do it.

You may need to restart your computer for this but should end your troubles.

 

(ref. https://www.sevenforums.com/general-discussion/76437-fail-open-local-group-policy.html)