VAC Was Unable to Verify the Game Session CS2, How to Fix VAC Was Unable to Verify the Game Session CS2?
by Madhumitha | Updated Sep 29, 2023
VAC Was Unable to Verify the Game Session CS2
Both CS: GO and CS2 use matchmaking servers that are "VAC secured" to stop players from cheating by using external software to gain an unfair advantage. VAC checks if your game files are as they should be and haven't been tampered with.
However, there are times when an error happens, either stopping VAC from doing its check or finding a problem. When this occurs, you'll see the "VAC was unable to verify your game session error." Here are some steps you can take to try and fix it.
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How to Fix VAC Was Unable to Verify the Game Session CS2?
Restart the Game
If you're facing a problem in CS: GO or CS2, you can start by trying the easiest and quickest solution. Just close CS: GO and Steam completely, then reopen Steam and launch CS: GO from the Steam launcher. This might fix the issue right away. The same applies to CS2 because it launches from the same game in your library. It's a good idea to avoid using a desktop shortcut to start the game unless you're trying the next tip on the list. This simple step can often solve common problems and get you back into the game smoothly.
Run as Administrator
Sometimes, the "VAC unable to verify" error can be caused by issues with system permissions. To prevent such problems, you can try running CS: GO or CS2 as an administrator. It's easy to do – just right-click the game shortcut and select "run as administrator." It's also a good idea to open Steam in the same way. If these simple steps don't fix the problem, don't worry; we have more options to explore to resolve the issue.
Verify the Integrity of the Game
When you encounter unexpected errors like the "VAC unable to verify" problem, it's a good idea to verify the game files. This is an important step, especially for this error, as it often stems from issues with local game files. To do this on Steam, follow these simple steps:
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Open your Steam Library.
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Find CS2 in your game list and right-click on it.
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A menu will appear, choose "Properties."
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Inside the properties window, go to the "Installed Files" tab.
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Look for the "Verify integrity of game files" button and click on it.
Steam will check your game files for any corruption or missing files. If it finds any issues, it will automatically fix them, which can often resolve the problem. After this, you can try reopening CS: GO or CS2 and see if the error is gone, allowing you to jump back into the game hassle-free.
Restart Your PC
If even after verifying your game files, you're still seeing the "VAC unable to verify game session error," you can go with the classic solution: turn your computer off and then on again. Just restart your PC and then launch CS: GO or CS2. This simple step often fixes the problem for many players, although it might not work for everyone. If the error persists, don't worry; there are a few more steps to explore and try to resolve the issue.
Change Your Steam Name and Profile Picture
Here's a somewhat surprising tip that has worked for many players dealing with the "VAC unable to verify" error: try changing your Steam display name and profile picture. To do this, go to your Steam profile and click on 'Edit Profile' in the top right corner, just below your featured badge. Then, you can enter a new name and upload a new picture. After making these changes, relaunch the game and see if the error goes away. It might sound unusual, but for some players, this simple action has helped fix the problem.
Re-install CS2 to Fix the Error
Update Your Driver to Fix the Error in CS2
Contact Steam Support
If none of the previous steps, including a full game reinstall, have fixed the problem, your best option is to get in touch with Steam support and report the issue. While waiting for a response, you can keep trying to restart the game and search for a match from time to time. Some players have reported that the error eventually goes away on its own.
Unfortunately, the "VAC was unable to verify your game session" error has been a persistent issue in CS: GO, causing frustration for players. However, it's important to remember that its purpose is to prevent cheaters from joining matches, so it serves a valuable role in maintaining a fair gaming environment, even if it can be annoying at times.
Counter-Strike 2 Info
Counter-Strike 2, the exciting new chapter in the Counter-Strike game series, brings a fresh and immersive gameplay experience. It's a free upgrade from CS: GO and introduces significant technical advancements. Powered by the Source 2 engine, Counter-Strike 2 boasts stunningly realistic graphics, top-notch networking, and improved Community Workshop tools.
Alongside the classic objective-based gameplay that made Counter-Strike famous, Counter-Strike 2 introduces exciting new features, including CS Ratings in the updated Premier mode, global and regional leaderboards, revamped maps, game-changing dynamic smoke grenades, tick-rate-independent gameplay, and enhanced visuals and audio effects. Moreover, all your favorite items from CS: GO will carry over to Counter-Strike 2.
Keep in mind, though, that this game contains intense violence and blood. To dive into the action, you'll need a Windows 10 PC with an Intel Core i5 750 or better CPU, 8 GB of RAM, a DirectX 11-compatible video card with at least 1 GB of VRAM and support for Shader Model 5.0, and 85 GB of available storage space.
VAC Was Unable to Verify the Game Session CS2 - FAQs
You can try verifying the integrity of the game files in your Steam Library, or reinstall CS2 to resolve the issue.
You'll need Windows 10, an Intel Core i5 750 or higher CPU with 4 hardware CPU threads, 8 GB of RAM, and a DirectX 11-compatible video card with 1 GB or more VRAM.
Open the Device Manager, select the device category related to the driver you want to update, right-click the driver, and choose "Update driver."
CS2 introduces CS Ratings, global and regional leaderboards, updated maps, dynamic smoke grenades, tick-rate-independent gameplay, and improved visuals and audio effects.
You can contact Steam's support team through their website or Steam client for help with any problems you encounter in CS2.