Damn steam ... can't anyone host it?

I'm not infecting my PC with something that is produced by superheating water...

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Gigabyte 8IPE-1000 motherboard
P4 - 3,06 Ghz @ 3,74 Ghz w/ Zalman CA7000
2x Corsair 512mb memory
Sapphire Atlantis Radeon 9800 Pro
Maxtor 240GB SATA