Why does my Rainbow six vegas 2 crash? and is there a fix?

Well, there was a sale on steam for Ubisoft games, which included Rainbow six vegas 2, and i downloaded it, went to run it, and the game just kept popping up with an error message saying "General Proction fault: History" and i've had a look for a fix, but i cant seem to find a working one, so i un... show more Well, there was a sale on steam for Ubisoft games, which included Rainbow six vegas 2, and i downloaded it, went to run it, and the game just kept popping up with an error message saying "General Proction fault: History" and i've had a look for a fix, but i cant seem to find a working one, so i un installed it, and redownloaded it, and then i tryed to play it, User account control pops up, asking if i want to allow it, i press yes, and it just keeps asking, and then stops loading, and i have no idea what to do.

My PC's specs are here, if it has any relevance.
CPU: Intel(R) Core(TM)2 Quad CPU Q8400 @ 2.66GHz 2.67GHz
RAM: 4.00 Gb
OS: Windows 7 home premium 64-bit
Graphics Card: NVIDIA GeForce GTS 250 1Gb

Thanks in advance guys :)
3 answers 3