VAC Was Unable to Verify the Game Session on CS: GO {Solved}

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    VAC Was Unable to Verify the Game Session: VAC here stands for Valve Anti-Cheat System. VAC here was developed to prevent players from using unfair means to gain an advantage in favorite games like Counter-Strike: Global Offensive.

    Now, what happens is, that even if genuine players, who don’t use any unfair methods in the game, may face the ‘VAC was unable to verify the game session’ error while starting a game or matchmaking.

    We advise all our users to not use any methods in the games which involve cheating, or any other unfair means to gain an unfair advantage in the game as this may lead to loss of your game data which is stored on the servers, or even deletion of your account.

    5 Ways to Fix VAC Was Unable to Verify the Game Session

    If you are not using any cheating methods and still facing the error, we’ll help you get rid of it with the 5 methods which I’ll explain to you now. All of these methods are tested, and they will work for you. Let’s proceed.

    Solution 1 ⇒ Log Out Of Steam And Log In Again

    Sometimes, what happens is that the operating system alters the configuration files of the computer, which may lead to the error as mentioned above.

    To solve VAC Was Unable to Verify the Game Session Error, you might have to re-login into your Steam Account. Let me tell you how to do that:

    Step 1 ⇒ Open Steam and click on your Profile Name present on the title bar.

    Step 2 ⇒ Once the menu expands, Click on Log Out Of My Account and follow the instructions on the screen.

    Step 3 ⇒ After you have successfully logged out of your account, Log back In with your credentials.

    It should have fixed the ‘VAC was unable to verify the game session’ error if it occurred because of some bad settings or configuration files.

    Note:- Please remember that re-installing the game or the Steam software won’t fix the issue as it will load the game and install steam with the same files as before. Logging out and Logging back In is the best way to solve the error.

    Solution 2 ⇒ Just Reboot Your Computer

    Just a simple reboot of your computer can solve the error. If some other software like Antivirus is using the files that are important for VAC to work, the VAC service may be denied access by Windows. Hence, the error occurs. Rebooting your PC is quite easy, but we’ll tell you the steps again to do the same.

    Step 1 ⇒ Press the Windows key on your keyboard, or click on the Windows Logo on the bottom left corner in the Taskbar.

    Step 2 ⇒ After the Start menu appears, click on the Power button. Now, select the option labeled as Restart.

     After your computer has restarted, start Steam and see if you can launch the game successfully. If not, proceed to our next method.

    Solution 3 ⇒ Verify The Integrity of The Game Files

    The error may occur while starting the game because there are integrity issues with the game files. Follow the steps below to check if there are any of those issues:-

    Step 1 ⇒ Open the Steam client, and click on Library.

    Step 2 ⇒ Right-click on the Game which has the error, and clicks on Properties.

    Step 3 ⇒ Now, click on the Local Files tab, then click on Verify Integrity Of Game Files.

    Step 4 ⇒ Wait until the process gets completed and click on Close. Now Launch the game and see if the error persists.

    If it is still present, try out our next method.

    Solution 4 ⇒ Repair The Steam Client

    If your Steam client is corrupted, you might face the

    ‘VAC was unable to verify the game session’ error. For this, you need to repair the steam client. We’ll tell you how to do that using the steps below.

    Step 1 ⇒ Open Steam, click on Steam on the top left corner and click Exit.

     Step 2 ⇒ Click on the Windows logo (bottom left corner) and type cmd. Now, right-click on Command Prompt option, and choose Run as Administrator.

    Step 3 ⇒ After the command prompt has opened, type the following command:

    “C:\Program Files (x86)\Steam\bin\SteamService.exe” /repair

     And Press Enter.

     Note:- Here, “C:\Program Files (x86)\Steam\” is the location where Steam is installed. If you have installed Steam at a different location, you have to change the path where Steam is situated in your computer.

    Now Run the game and check if the error has been resolved. If not, you may have to try out our last method, which I am sure will work for you.

    Solution 5 ⇒ Exclude Game Directory From Antivirus Scan

    Your Antivirus Software or any third-party software such as CCleaner may be conflicting with Steam and is not letting VAC verify the game files. For this, you have to exclude the game directory from the Antivirus or any other software about which you are suspicious that it may be causing the error. This process differs in every antivirus software.

    Conclusion

    We hope that we were successful in solving the error. One last tip will be to completely Reinstall Steam if all of the methods mentioned above fail to work. But we are sure it won’t come to that. One of the methods will work for you. If you face any other errors, we are there to help!

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