Esf Open Beta final and 1.2.3 dosn't work plz help!!!!!

[anelgta123]

Hi My name is Anel.
so i have a problem whit esf open beta final when i start the game and when it opend the game it work fine but when i wait 10 or 15 sec all of a sudden the game closes like i never iven click the close button.
Plz help me i really want to play esf open beta final plz plz plz!

 

[Deverz]

Please verify your Half-Life before we can offer you support
http://validation.esforces.com/

 

[Heimer]

esf 1.2.3 doesn't work, if i change game in hl1 or cs 1.6 it kicks me out of game...please help

 

[Grega]

You need STEAM and Half Life 1 on it.