Starting problem of MOHAA single player
 

I have installed the MOHAA 1.0 full ver on my pc.
I have configured it for video,audio, control settings. When I go to briefing room, ie mission 1 loading it shows me to choose dificulty level.
problem is when I click on any difficulty nothing happens. I waited for 10 min.! I re-installed it twise. I download the patch 1.11 but no use.

P4 1.7/512 MB/ATI 9700 Pro/SB Live Value
With catalyst 3.5 drivers latest and live drivers latest and Directx 9. oOo:

Please help me.
I installed the spearhed version full. It RUNS perfectly.
What is the problem? Please help.

I have a similar problem, if you have the console running at the same time you will get the message cannot find maps/briefing/briefing1.bsp, so it's obviously missing some files. I take it you downloaded the software, rather than installing from a cd