DLC 3 Steam error

[Xrn]

Hello,

When i launch the game steam displays this message :

Failed to start game (unknown error).

Already try :
- VERIFY INTEGRITY OF THE GAME CASH
- NEW INSTALLATION OF STEAM & WARGAME
- SUPPRESSION OF APPCACHE

Thank you
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Config :
- Intel core I3-3220
- 8 GB of RAM
- Nvidia Geforce GT 630
- Windows XP Pro 64

[[EUG_QA] aimDav]

Hi,
Could you attach your DxDiag and Option.ini plz ?
Did you update your drivers?
Was it your first connection to Red Dragon?