can't open esf

when i double click on the esf under third part games in steam it won't open.
pleazzz help me i really want to play this game.

forgt steam play on won,steam dosent support esf so u cant get much help

you can play esf on steam, its just alot more difficult for some people.
try browsing around this thread for some answers to some questions that you may have. i dont use steam for obvious reasons, so i personally cant help you.
http://forum.esforces.com/showthread.php?t=31176

danm that means i have to downlaud counter-strike 1.5 again. but wait ive been reading all these threads and they say they can play with staem