Just got another email from Valve tech support! Source engine has been repatched, and HL2 is running just as it used to!
Rejoice, and play more Counter-Strike Source!
is Dod gonna work now?
Victim of Forgotten HopeForum bystander
26th April 2004
It has worked perfect for me even without that update, but it fixed "This game is not availeable"-error too..
And it was a Source engine update, not CSS only.