Valve Anti-Cheat software goes a bit GlaDOS?

UPDATIER: See this. UPDATE: Some consideration of whether this is actually a VAC problem, or simply MW2 being a bit nob…

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💣 Valve anti cheat Some of your game files have been detected to have no signatures FIX

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💣 Valve anti cheat Some of your game files have been detected to have no signatures FIX

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