At first I thought it was because I tried to install 64 bit Java for something, so I just reinstalled java normally.
Obviously I've tried to use the other solutions, but they didn't work. Either it's a connection problem, or it acts like it's launching then doesn't not at all like mine. I've tried looking up how to fix this, but anything I read about NMM not opening just isn't like my problem. So let me tell you exactly what happens - I click NMM, nothing happens. Anyway, hopefully you guys could help me out. Alright I've been dealing with this issue for a while now, so obviously I've done some digging and it seems as if my problerm has never happend to else.