How to Fix Counter-Strike 2 VAC was Unable to Verify Your Game Session Error

Nazmul Hassan
By Nazmul Hassan
4 Min Read
Credit: Valve

Are you getting the “VAC was unable to verify your game session” error in Counter-Strike 2? Don’t worry! You can easily fix it.

After much anticipation, Counter-Strike 2 has finally been released as a beta, and the full release will officially go live very soon. With CS 2’s global launch, the Counter-Strike community’s long-awaited dream will finally come true.

Counter-Strike 2 is everything players were hoping for. Valve has transferred the game to the Source 2 engine, utilizing its upgraded features like better lighting, texture, sound, and more. However, the developers preserved the original gameplay so players can enjoy CS 2 while still being nostalgic about CS:GO.

With Counter-Strike 2’s release, most issues that the game previously had immediately disappeared. However, as the game is still in limited beta, some bugs are to be expected. Similarly, Counter-Strike 2 players have been facing a peculiar “VAC was unable to verify your game session” error preventing them from matchmaking.

Read More: Best Video Settings for Counter-Strike 2

What is “VAC was Unable to Verify Your Game Session” Error?

If you’re getting the “VAC was unable to verify your game session” message, you don’t need to worry too much about it, as it does not necessarily mean you are VAC banned or there’s something wrong with your game.

VAC was Unable to Verify Game Session cs2
credit: valve

This was a common Counter-Strike error in Counter-Strike: Global Offensive. If there is a discrepancy between the Anti-cheat system and game files, the “VAC was unable to verify your game session” error occurs.

The discrepancy mainly occurs when there are one or more corrupted CS 2 files. Moreover, this message can also pop up if you try to enter Valve’s official matchmaking after practicing on custom servers or Workshop maps like Aimbotz. Even having launch option commands may result in this error.

How to Fix (A Step-by-step Guide)

Usually, restarting Counter-Strike 2 should resolve the “VAC was unable to verify your game session” error. However, restarting the game every time can be really troublesome. So, verifying the game to fix any corrupted game files is always a good idea. Moreover, removing the launch option commands can also help minimize or eliminate the game from showing the error.

Here’s a step-by-step guide on how to fix the VAC that was unable to verify the game session error:

1. Restart Counter-Strike 2.
2. Verify the integrity of game files. To do that, go to Steam> Library> Counter-Strike: Global Offensive> Properties> Installed Files> Verify Integrity of Game Files.

VAC was Unable to Verify Game Session
credit: valve

3. Remove any launch option commands. To do that, go to Steam> Library> Counter-Strike: Global Offensive> Properties> General> Launch Options—keep the box empty.

VAC was Unable to Verify Game Session

4. Don’t enter any custom server or workshop maps before queuing Valve’s official matchmaking.
5. Enjoy!

If you follow these steps, your Counter-Strike 2 should not show the VAC error any longer. However, if you still face the message, try reinstalling the game, as they’re might be some game files that are causing this. Good luck!

Avatar photo
By Nazmul Hassan FPS Editor
Nazmul is GameRiv's FPS editor. He is a marketing graduate with an immense passion for gaming. As an ex-professional CS:GO player, he holds a strong interest in other FPS titles like Apex Legends, VALORANT, and CoD. However, he also tries out other games when he is free.