i am getting this error . I have installed game correctly..

my system

Card name: NVIDIA GeForce GTX 460
Manufacturer: NVIDIA
Chip type: GeForce GTX 460


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System Information
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Time of this report: 7/7/2011, 17:08:37
Machine name: HHUMAS
Operating System: Windows 7 Ultimate 64-bit (6.1, Build 7600) (7600.win7_rtm.090713-1255)
Language: English (Regional Setting: English)
System Manufacturer: System manufacturer
System Model: P5Q-E
BIOS: BIOS Date: 04/06/09 20:13:11 Ver: 08.00.14
Processor: Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz (4 CPUs), ~2.4GHz
Memory: 8192MB RAM
Available OS Memory: 8192MB RAM
Page File: 1600MB used, 14779MB available
Windows Dir: C:\Windows
DirectX Version: DirectX 11
DX Setup Parameters: Not found
User DPI Setting: Using System DPI
System DPI Setting: 96 DPI (100 percent)
DWM DPI Scaling: Disabled
DxDiag Version: 6.01.7600.16385 64bit Unicode

some one tell me .. I have downloaded three files

Crysis_2_HiResTexture_Pack

Crysis2Directx11UltraUpgrade

Crysis2DX11Patch_Code_PC_1.9

i am getting error