[SOLVED] Crashes when creating game on any map

[Lonnisity]

Haven't played in a while, so I wanted to start up a private server to check out the new maps and get used to the controls again. However, every time I hit create, pick a map, any map, and start the game, it crashes with a generic Windows "Searching for cause of the problem" message. Any help?

SOLUTION FOUND: I was running the game through JAMP not the MBII Client. A quick look at the launcher settings fixed it.