Hello everyone I have been trying to install custom zombies maps for black ops 1 for the past couple of hours and i am at a dead end. I have installed the bo_mods.bat and launch the game from there once in the game i select my custom map and click to load it the game then black screens and goes to my desktop and the screen freezes.
 
Does anyone have any clue on how to solve this problem?

Hello everyone I have been trying to install custom zombies maps for black ops 1 for the past couple of hours and i am at a dead end. I have installed the bo_mods.bat and launch the game from there once in the game i select my custom map and click to load it the game then black screens and goes to my desktop and the screen freezes.
 
Does anyone have any clue on how to solve this problem?

try to verify ur cod bo1 game files on steam and that should fix the problem or update ur graphics card driver