Disconnected by VAC: You cannot play on secure servers Modifying game files and/or in-game textures may cause this error. Please remove any custom textures, skin changers, or software that modifies game files and restart your computer. We also recommend verifying your game files after making these changes. Frequently asked questions: What does this error mean? What typically causes this error? How can I fix this error? Restart your computer Repair the Steam Service Restore boot settings to default Repair system files What does this error mean? This error is caused by third party software interfering with your game or Steam. To resolve the issue, you'll need to disable or remove the problem software from your machine. What typically causes this error? There are a number of common software conflicts that can cause this error. If you are running any of the following software, please disable it while playing: CCleaner Powershell Sandboxie Cheat Engine IObit Start Menu 8 Process Hacker DL