ok, i'm gonna try to help you. what does it exactly say ?? It could be possible it has something to do with that WON problem.
open notepad and open the file in your HL folder wich is called "woncomm.lst" you can find it in "valve" (C:\Sierra\Half-Life\valve) delete verything and change it into this
// Server Lists
// Fix made and hosted by Phusion - #definitely
Titan
{
half-life.east.won.net:6003
198.74.33.62:6003
half-life.central.won.net:6003
}
Auth
{
half-life.east.won.net:7002
198.74.33.62:7002
half-life.central.won.net:7002
}
Master
{
half-life.east.won.net:27010
198.74.33.62:27010
half-life.central.won.net:27010
}
ModServer
{
half-life.east.won.net:27011
198.74.33.62:27011
half-life.central.won.net:27011
}
Secure
{
half-life.speakeasy-nyc.hlauth.net:27012
half-life.speakeasy-sea.hlauth.net:27012
half-life.speakeasy-chi.hlauth.net:27012
}
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°Necromeniac° SSJ-Veg (if it's wrong, please let me know);D