Kigen's Anti-Cheat

[L4D2PC] Cobra has an active VACBAN! (CHEATER!).

Allways i get this Message if i connect to a TF2 Server. Im NOT VAC banned on the games, i got only a VAC1 ( CS1.6 Ban, because 2 years ago, on my Holydays, someone hacked my Steam Account ( around 50 Games on the Time where it hacked ) and after i ...