Huge problem

i have recently ran into a problem, i was trying to test out a route i have been working on and i was getting ready to put a gp40-2 into reveres in dcc mode and when i do it freezes and quits nothing comes up and say trainzh as stopped working it just exits out like someone just quit the game i am very frustrated with trainz anybody know my problem?

Sorry to hear of your problem in Surveyor or Driver.

Is this problem happening with a particular locomotive or with other ones as well? If this is a downloaded loco, perhaps there is something wrong with the content such as a script error or bad texture.

John