Error!!

[Kas204]

I Installed the game but when i try to start it i get ERROR!!!!

Oh and i have cs and hl installed

 

[Kas204]

Oh! and one more thing i downloaded this game and now nothing works thx to it!!!

 

[Pain]

What kind of error? Could you be more specific?
Are you using Steam? Are you using the 1.2.3 full installer?

Also try not to double post. If you have something to add and no one has replied yet, you can simply edit your first post. Thank you.