NP1013 Solution finally yall.
solution is simply. don't whatever you do, don't install tweaker and pso2 on the system drive c:, instead install anywhere else but c: drive. Cause for some reason unknown windows and gameguard security check are tricky so to avoid all the headache. Install your pso2 game and tweaker on a different drive that does not have your operating system on it. Problem solved.
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