Did it work again the next time you tried to run Tweak Tool?
I've seen Tweak Tool hang on startup when I was testing it and I just killed it and restarted it and it worked the next time for me.
Did it work again the next time you tried to run Tweak Tool?
I've seen Tweak Tool hang on startup when I was testing it and I just killed it and restarted it and it worked the next time for me.