KotOR@ on Vista

I just recently upgraded my laptop to 3.0 gigs of ram but still are having the same problem listed above so any suggestions would help

Please any suggestions at all would help...

My system spec are vista pro acer aspire 5920 intel centrino duo 2.00 Ghz 2.00 gigs of ram. well over qualified to play KotOR2 And ive done everything: got new patches and new no cd cracks and changed the to to the old .dll from KotOR and run in compatibility mode service pack 2 and no matter what i do I cant get past the intro video cause after that it says KotOR2 not responding and ends the program and im out of options and dont know what do do so if anyone can make any suggestions it would help