Don't let pesky error messages get within the way of playing.
You load a game of CS:GO for the primary times in weeks and boom, you see a message that that reads: “VAC unable to verify.” What does it mean and the way does one fit?
Don’t panic, unless you’ve been fooling around with wallhacks and aimbots in your spare time, there’s nothing to stress about.
When Valve patches CS:GO, this error message has been known to form and appearance. the explanations for it are currently unknown, but it’s thankfully easy to repair.
All you've got to try to do is close CS:GO and head into your Steam library. From there, right-click on Counter-Strike: Global Offensive and choose properties at rock bottom of the menu.
Next, choose Local Files (the third tab to the right) and choose to verify the integrity of game files. After a moment or two of loading, this could validate your files and kickstart your game. If all goes consistent with the plan, “VAC unable to verify” should now be gone permanently.
But before you load CS:GO again, confirm to restart Steam. If this doesn’t work and you’re still scratching your head and searching for answers, reinstalling CS:GO is perhaps your next best choice. It’s tedious and it'd take a short time, but if validating your files didn’t work, reinstalling should.
To uninstall CS:GO, head to the library, and right-click on the CS:GO icon again. At this point though, choose Manage, uninstall, and eventually install again.