Re: Crash, possibly due to Halo 2 Vista (not sure)
Well I don't want do jump the gun without the right facts first.
Dash, if you see this please give us the memory errror dump code. from windows error log code.
Go to start type in event viewer and hit enter and go to the windows log error and read by the marks with the red X and desciption and tell us what it says.
Sometimes windows 7 will record the BSOD error message and it will show it below and link it to the microsoft website for more troubleshooting support.