Re: error initializing physX.

That Intel graphics hardware does not have the required 128MB minimum dedicated video memory despite sharing your system RAM and also does not support PhysX.

Please see the requirements below:

System Requirements:

Windows XP

• OS : Windows XP with SP3
• CPU : Intel Core 2 (or equivalent) running at 1.4Ghz or greaterAMD X2 (or equivalent) running at 1.8Ghz or greater
• RAM : 1 GB or more
• Video : ATI Radeon X850 128MB or greater;NVIDIA GeForce 6600 GT 128MB or greater.

Windows Vista

• OS : Windows Vista with SP1
• CPU : Intel Core 2 (or equivalent) running at 1.6Ghz or greaterAMD X2 (or equivalent) running at 2.2Ghz or greater
• RAM : 1.5 GB or more
• Video : ATI Radeon X1550 256MB or greater;NVIDIA GeForce 7600 GT 256MB or greater.