i just bought this game today and installed it, when i go to play the game starts up, the bethesda logo come then the dragon symbol and it freezes. anyone have any ideas as to what is going wrong? my system specs are

OPERATING SYSTEM: Windows 2.6.1.7601 (Service Pack 1) CPU TYPE: Intel? Core?2 Duo CPU E6750 @ 2.66GHz CPU SPEED: 2.69 GHz SYSTEM MEMORY: 3.5 GB VIDEO CARD MODEL: NVIDIA GeForce GTX 460 VIDEO CARD MEMORY: 2.22 GB VIDEO CARD DRIVER: nvd3dum.dll DESKTOP RESOLUTION: 1280x1024 HARD DISK SIZE: 298.09 GB HARD DISK FREE SPACE: 107.34 GB (36%) DOWNLOAD SPEED: 12.75 kB/s (104.4 kbps)