I had been having trouble with it as well. Things weren't working right in my world so I decided to re-install everything but now with new everything it still wont even let me into a new world.
Alright so I went ahead and relaunched it to get the message again and the first time I launched I did not update to the new version. I was able to play for about five minutes then it crashed so bad that I had to restart my entire computer so I was not able to get the log that time. After...
So I've been playing FTB for a while now and have built a fair amount but lately I have been getting so much lag in my single player world then it will crash where to the point now if I log into my world it will all shut down in under five minutes which afterward I have to force quit it then...
