DOA not playing

"DAOriginsLauncher.exe" start but when clicking "Play" I receive those messages :

1) "...cudart32_41_22.dll is missing...Try reinstalling the program to fix this problem."

I did to no avail !

2) "Error initializing PhysX. Please visit http://www.nvidia.com/physisx for updated drivers."

I did, there's nothing on this web page to link to a PhysX driver download !

All my drivers are up to date.

Here's my pc specifications :

Operating System
 MS Windows 7 Professional 64-bit SP1
CPU
 AMD Phenom II X4 955 34 °C
 Deneb 45nm Technology
RAM
 12.0 GB Dual-Channel DDR3 @ 2678MHz (9-9-9-24)
Motherboard
 ASUSTeK Computer INC. M4A88T-V EVO/USB3 (AM3) 35 °C
Graphics
 BenQ V2400Eco (1920x1080@60Hz)
 AMD Radeon HD 6900 Series (XFX Pine Group) 44 °C
Hard Drives
 112GB Seagate ST3120026AS ATA Device (SATA) 39 °C
 149GB Seagate ST3160815AS ATA Device (SATA) 35 °C
 932GB Western Digital WDC WD1001FALS-00J7B1 ATA Device (SATA) 37 °C
 2795GB Seagate ST3000DM001-1CH166 ATA Device (SATA) 29 °C
 279GB Maxtor Maxtor 6V300F0 ATA Device (SATA) 40 °C
Optical Drives
 HL-DT-ST DVD-RAM GSA-H55N ATA Device
Audio
 Realtek High Definition Audio