deep_love

I dont know what's wrong with update 51. hl.exe stops working before get in the game. U have uninstalled game and the i have installed game and update 51 but still same problem. This is really true css works better without update 51 but not properly... It's sometime working with old updates but need to change PatchVersion=1.0.0.69 to PatchVersion=1.0.0.70 at steam. So i need help pls...