You will be prompt that you cannot play on secure servers.Īctually, even if you don’t use a cheat during gaming play, you could also come across the problem due to other factors, including software confliction, corrupted game files, and etc. Commonly, you will receive the error message if you use a cheat while playing a game that uses the VAC engine, like DOTA 2 and Counter-Strike: Global Offensive. “An issue with your computer is blocking the VAC system” is an error message that might appear when you are playing certain games, and it is often reported by Steam users. Fix 5: Activate Data Execution Prevention (optional).Fix 3: Add the Steam Folder to the Exception List of Your Antivirus.Fix 2: Verify the Integrity of Game Files.
