VAC Was Unable to Verify Your Game Session? How to Do?

Many of you might have come across a situation where the VAC was unable to verify your game session, and this would have led to the failure of the matchmaking while playing CS: GO.

This is a frequent error that many people face, and it gets very annoying after a point. Not being able to join the matchmaking terminates the entire session, and you have to start from the beginning.

VAC was unable to verify your game session

However, you don’t need to worry anymore as it is to redressal this issue only that we present this article to you.

We will be introducing the best fixes to you for solving this error in no time and get back to playing your favorite game.

Method 1: Restart the Steam Client to Fix ‘VAC Was Unable to Verify Your Game Session’

Many times, the error is a result of the files of the Steam Client getting corrupted. The issue can thereby be fixed by restarting the Steam Client. To do that, just follow below simple steps:

1. You start the method on the Steam Client app that is already open. On the left side of the screen at the top, you will see the Steam tab. Hit a click on it. In the list that emerges, hit the option of Exit.

Restart the Steam Client to fix VAC Was Unable to Verify Your Game Session

2. Now, launch the Steam Client once again.

3. Click over the option of Steam on the top-left side once again. This time, find the option of Go Offline in the list and hit it.

Restart the Steam Client

4. Now, click over the option of Restart in Offline Mode.

Restart the Steam Client

5. Hit the Steam tab and then select the option of Go Online.

Restart the Steam Client

6. In the next window, click the option of Restart and Go Online.

Restart the Steam Client and Go Online

Now go back and try running the game once again. The ‘VAC was unable to verify your game session’ error may have gotten resolved by now.

PS: Let’s figure out how to make money on Steam.

Method 2: Fix the Steam Client

As we were talking about the corruption of the Steam Client files that lead to the crashing of the CS: GO error, the issue can be rectified by one more method which is repairing the Steam Client. Follow the steps that we give below to be able to do so:

1. You start the method on the Steam Client app that is already open. On the left side of the screen at the top, you will see the tab Steam. Hit a click on it. In the list that emerges, hit the option of Exit.

Restart the Steam Client

2. Hit the button Start that is on the left side of the Desktop at the bottom.

Fix the Steam Client

3. In the search bar, enter cmd. From the options that emerge, click over the option of Command Prompt. Hit a right-click over the name and then select the option Run as administrator.

Run Steam Client as administrator to fix VAC Was Unable to Verify Your Game Session

4. In the Command Prompt box that will emerge at this stage, you need to enter the following command:

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

Note: The part ‘C:\Program Files (x86)\Steam‘ refers to the location where the files of the Steam Client are stored. If the Steam Client on your PC is located somewhere else, then you will need to enter that location.

Hit the button Enter on the keyboard.

Fix the Steam Client

5. Restart the PC at last.

Now launch the Steam Client app once again. Try to open your game.

Method 3: Verify the Files of the Game

The particular files related to the CS: GO game are also susceptible to errors. Any issue with the integrity of these files may also be a reason why VAC was unable to verify your game session.

In this case, running a check over the game files can be a viable solution, and following the steps below will help you do that:

1. On the main screen of the Steam Client app, find the option of the Library and click on it.

Stem Library

2. In the list of games displayed in the Library window hit a right-click on the option of your game which is CS: GO in this case. From the drop-down, select the option of Properties.

Game Properties

3. Hit on the tab Local Files. In the list of options, select the one named Verify Integrity of game files.

Verify the files of the game to fix VAC Was Unable to Verify Your Game Session

4. It will take some time for the process to finish. Wait until it gets done, and then hit the button Close.

Verify the files of the game

Go back and launch the Steam Client app once again. Try to open your game.

Method 4: Fully Re-install the Game

If changing the system settings or restarting the Steam app didn’t work out, then there is one more method that you can try. The error might get resolved by re-installing the game altogether.

If it gets successful, then this would be the best method that would save you a lot of time and effort. Let’s see how to carry it out:

1. On the main screen of the Steam Client app, find the option of the Library and click on it.

2. In the list of games displayed in the Library window, hit a right-click on the option of your game which is Counter-Strike: Global Offensive in this case. From the drop-down, select the option of Uninstall.

Fully re-install the game to fix VAC Was Unable to Verify Your Game Session

3. In the windowpane that emerges next, click the option of Delete. Confirm the next pop-up by clicking on Delete once again.

Delete the game files

4. Now you will have to install the game once again. Download the game from any trusted website.

Method 5: Update the System Drivers

If the game is running on the wrong or faulty drivers, then it can also lead to a situation where you will see that VAC was unable to verify your game session. Updating the system drivers can help in this case if you want to remove the error once and for all.

However, driver updating can be a hectic and time taking process. If you are not in the mood to go through the process or don’t have the required skills to do so, then don’t worry, we have got you covered.

Driver Easy

This is the software that we are going to introduce to you that will help you update the drivers in a jiffy. Driver Easy facilitates the automatic recognition of the system, diagnoses the problematic drivers, and then finds out the right drivers for the system.

There are two versions of the Driver Easy software- Free and Pro. Both of them can be used to carry out the updating of the system drivers to remove the VAC that was unable to verify your game session error.

However, the Pro version gives you the advantage of getting the entire process done in just two clicks. It also includes benefits like full customer assistance and a money refund guarantee of 30 days.

Below is the Method of Using Driver Easy:

1. Download the software on the PC and install it properly.

Try Driver Easy

2. Launch the app & hit the button Scan Now on the main screen itself. Driver Easy will get to work immediately and scan the PC for the problematic drivers.

Fix VAC Was Unable to Verify Your Game Session  Using Driver Easy

3. Once the scan is completed, the software will list all the faulty drivers on the screen. Now, you have to hit the button Update which will be in front of the device options. This will start the downloading of the right drivers for them.

Note: The Pro version of Driver Easy has the option of Update All which can let you update every problematic driver on the PC automatically and in one go. You won’t be required to select the devices individually.

Driver Easy

If you want to go about updating the system drivers manually, then there is a method for that too. Please follow below simple guide:

1. Open the PC Settings. Hit the tab Update and Security.

2. Click over the option of Check Updates. Wait till the process ends and then move ahead.

Check for updates

3. Go back and launch the Control Panel. Here, click the option of Hardware and Sound. Inside the tab, select the tab Device Manager.

4. All the faulty drivers will be listed and can be identified by a yellow sign around them. On the individual options, hit a right-click and select the option of Update driver software.

Update the system drivers

You would also need to mandatorily check all the other drivers, third-party webcams, or audio drivers too.

Conclusion

So, these were the best methods to use in the situation when VAC was unable to verify your game session. We recommend Driver Easy as it lets the entire burden off you and fixes the issue in the most convenient way.

You don’t have to worry about carrying out the download and installation of the drivers manually, as the software will do that automatically for you.

Jack

Jack

Ten years of experience in information and computer technology. Passionate about electronic devices, smartphones, computers, and modern technology.