TeamFortress does problems Pixel Shader/

OK , I bought the game since 2008's and i played normal,

Now after week i install the game and i played 2 days no problems.

Now i try to get on the game its not let me!

Its do me the trailer screen at the start then i click ESC and i see "Loading" And after 10 seconds its exit from the game.

I deleted the CFg, Game . Restart Computer .

Nothing work!


I try to do "-dxlevel 8.1"
not work..


HELP!



My Computer:
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System Information
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Time of this report: 9/20/2009, 14:55:52
       Machine name: COHENS-PC
   Operating System: Windows 7 Ultimate 32-bit (6.1, Build 7100) (7100.winmain_win7rc.090421-1700)
           Language: Hebrew (Regional Setting: Hebrew)
System Manufacturer: Gigabyte Technology Co., Ltd.
       System Model: 945GCM-S2L
               BIOS: Award Modular BIOS v6.00PG
          Processor: Intel(R) Core(TM)2 Duo CPU     E7200  @ 2.53GHz (2 CPUs), ~2.4GHz
             Memory: 2048MB RAM
Available OS Memory: 2048MB RAM
          Page File: 1028MB used, 3066MB 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: 6.01.7100.0000 32bit Unicode

FIXED! CLOSE.