EN | VAC bans are permanent, non-negotiable, and cannot be removed by Steam Support. If a VAC ban is determined to have been issued incorrectly, it will automatically be removed.
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What is VAC?

VAC stands for Valve Anti-Cheat, an automated system designed to detect cheats installed on users' computers. If a user connects to a VAC-Secured server from a computer with identifiable cheats installed, the VAC system will ban the user from playing that game on VAC-Secured servers in the future.
The VAC system reliably detects cheats using their cheat signatures. Any third-party modifications to a game designed to give one player an advantage over another is classified as a cheat or hack and will trigger a VAC ban. This includes modifications to a game's core executable files and dynamic link libraries.
While server admins may choose to ban specific players, server admins cannot VAC ban players.
The following will not trigger a VAC ban:
• System hardware configurations.
• Updated system drivers, such as video card drivers.
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How do I report a new cheat?

If you know of a new cheat, especially private cheats (ones that aren't on a public website), and can provide the links or the actual binaries, please send an email with pertinent information to the following email address:
[ acreview [at] valvesoftware [dot] com]
All emails are read and reviewed by the VAC development team.
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Valve Software
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