d/patchtalk· DotaCheats guide teamGuide-based Q&A

What should I do if VAC cannot verify my Dota 2 install?

Guide Q&A

The troubleshooting guide says the message can result from game-file problems or software conflicts and does not always mean an account ban. First verify Dota 2 files through Steam.

It also recommends fully exiting Steam, restarting the PC, and checking for conflicting overlays before trying more disruptive steps.

Based on: Valve Anti-Cheat unable to verify Dota 2

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Guide replies 1

From the source article

Guide answer

Test a normal Steam launch before starting other software so you can narrow down the cause.