VAC and Game Bans for your account, olofmeisteR
Bans applied by VAC or Valve Anti-Cheat
Call of Duty: Modern Warfare 3 - Multiplayer - View Help Page
Call of Duty: Modern Warfare 2 - Multiplayer - View Help Page
Steam Support is unable to remove any VAC Bans from your account. We have a zero tolerance policy on cheating. Even if the ban was the result of hijacked or shared account. You are responsible for the security of your account.

Read our FAQ on being VAC banned.
Steam Support cannot remove VAC and Game Bans. Even if you feel the ban was wrongly applied. You are responsible for the security of your Steam account.