Black screen when starting game engine

[beeman6]

Can anyone help me I'm having some difficulty clearing this error
Its a black screen on start of the game engine and it wont load me into the server/ single player session if anyone could help it would be greatly appreciated
AC\game.cpp (157): Game::onIdle
AC\game.cpp (210): Game::run
AC\acs.cpp (477): wWinMain
f:\dd\vctools\crt\crtw32\dllstuff\crtexe.c (618): __tmainCRTStartup