I have retail DVD and running on PC, not Mac. Anyway, still in starter dungeon and it crashed twice on me already. When I alt-tab, it says "Not Responding" under Status. What can I do? Help appreciated

Basic Hardware Specification Chart (Empty so far)

Processor Manufacturer: AMD / Intel
Processor Name / Type: Athlon X2 / Pentium D / C2D / dual core / quad, etc.
Processor Speed: ?.? Ghz
Operating System / Service Pack: WindowsXP with SP #?, Win7, Vista ?
System RAM: ? ? GBs (MBs, if less than 1024 ? )
Video (GPU) Manufacturer: ATI / Nvidia (only those two are supported, PERIOD, so please answer which of them you have)
Video Card Model: (examples) Radeon HD 6670 / Geforce GTS 450
Video Card Driver Version: Catalyst ?.? / Nforce ??.??
. . (please use the numbers, and dates, *not* the word "latest")
Video Card onboard RAM: ? ? ? MBs
Sound Card Manufacturer:
Sound Card Driver IDs:
Sound Card Model:

(And this is only for the raw hardware & driver variations. Potential software conflicts are far more likely to be game play problems, and developers cannot test for all possible program loads.)

P. S. Please use every day business style paragraph breaks, punctuation, and spelling.

Toshiba Qosmio X505 Q8102

- Windows 7 Home Pre 64-bit
- intel Core i7 at 2GHz (Quad-Core)
- 6GB System RAM
- Nvidia GeForce GTX 460M with 1.5GB VRAM
- Bluray Drive