I am not from Laminar Research; just a flight simmer from downunder.
Some questions never get answered. At present there are 42 pages of unanswered questions in this forum dating back to when the forum started.
Generally questions generate a response depending who is awake at the time of looking at the forum and reading your question.
In your situation are you logged into your PC as the Administrator? Have you disabled your antivirus and malware software?
In trying to reinstall X-Plane have you ensured ALL previous remnants of X-Plane have been removed using a good quality file removal software package?