I have faced this problem and tried to search for a solution. Finally, I found this post. I tried the first one, but unfortunately, it didn't work. The second one - creating a new local administrator account helped me to resolve all the troubles. The final task was to transfer all your data from the old account to the new one, following the instructions in this post. But it would be a little bit depressing for you to do so. You might wanna try this: Restore the `DelegateExecu