crashing during multiplayer

[titanium]

today my game keeps crashing after around 5 mins of multiplayer. happened twice. The pc crashed and goes to a black screen. Yesterday it did not do this. any ideaS?

[Adeptus Noobus]

Did the sound also cease to play? If the answer is yes than congratulations, you have experienced the sound bug. There is no fix for that.
If the answer was no, then provide us with further details of the crash, mainly stuff that is happening prior to it.