

When I went back to the game, the popup didn't show anymore. When I did that, it found some corrupted files and automatically fixed them. Once the operation has completed please restart your computer, then launch Steam and test the issue again. In the command prompt, type the following command and press Enter: Right-click on Command Prompt and click Run as administrator. The following instructions will run a critical system file check on your Windows installation, replacing any missing or damaged files:Ĭlick the Start button, All Programs, and Accessories. There may be corrupt system files that are causing this issue. After verifying the game files yesterday I also did the following:

Originally posted by Hiraeth.dokgu:Thanks guys. There are vac forum that people there have discuss about this. I don't like modifying things, heck, I never even overclocked my computer. Has this ever happened to anyone? I've been playing Dota 2 since 2011 and have never installed any third-party software. I don't want to get any VAC bans and throw all of those away. I invested a lot of money on my account and have plenty of games and Dota 2 items that are worth a lot. You can as suggested, "Verify the integrity of the game files" as well as run a diagnostic check on your hard drive. Ergo Valve's Anti-Cheat is unable to verify the integrity of the files. It may be that your hard drive is failing.

When I clicked on the More Info button it took me to so I tried to verify the integrity of the game files and that didn't give me any indication that something was wrong. Failure to fix this may result in the inability to play online.

Valve Anti-Cheat was unable to verify that your machine is secure. Originally posted by Hiraeth.dokgu:I just finished a game of Turbo and quickly started queuing up for another game and suddenly a pop-up came up that said this:
