Vac was unable to verify your game session là gì năm 2024
It’s a frustrating experience that can disrupt your gaming session and leave you wondering what went wrong. In this guide, we’ll delve into the reasons behind this error message and explore the steps you can take to resolve it, so you can get back to enjoying the intense world of Counter-Strike: Global Offensive without any interruptions. Show
What Does CS:GO VAC Unable to Verify Mean?VAC (Valve Anti-Cheat System) detects anomalies in installation files. It is meant to prevent gamers from making changes to game files in order to gain an unfair advantage over other players. When VAC fails to verify your gaming session but you have not in any way tampered with your game files, it means that there is something wrong with the configuration of the files. Sometimes also, VAC could generate a false positive error and turn up the “Unable to verify the game session” message. How to Fix VAC Authentication Error in Windows 10Fix 1: Reboot Your ComputerSome apps and processes (such as disk indexing) that are running on your computer might be accessing your game files, and thus causing VAC to fail in verifying the files. Rebooting your computer can help resolve this. Follow the steps below:
If restarting doesn’t work, you can . Power cycling means turning the PC off completely and then turning it on again. This will help the device recover from an unresponsive module and reinitialize its configuration parameters. Power cycling also resets your network configurations. Follow these steps to get it done:
Note: The reason for removing the battery from the laptop is to properly discharge all the capacitors and ensure that the data stored in the RAM is cleared. Also Read: How to Clear RAM and Reduce RAM Usage in Windows 10 If you use a desktop, unplug it from the power source.
Fix 2: Restart the Steam ClientRestarting the Steam client can help resolve any corruption that’s causing the ‘VAC was unable to verify the game session’ error. Here’s what you have to do:
After you’ve followed the above steps, try queuing for a match again and see if the VAC error message will still appear. Fix 3: Log Out of Steam and Log in AgainIf the fixes above didn’t help, then try logging out of your Steam account and logging in again. Your operating system or file management system might have been responsible for modifying your configuration files, causing the VAC error to appear. Logging out of your Steam account will remove the altered configuration files. The original files will then be recreated when you log in again. Logging into your Steam account again will give the same (or even better) results as reinstalling your Steam app. Follow the procedure below:
Now try your game again. The VAC error will have been resolved. If not, move on to the next fix. Fix 4: Run Steam as an AdministratorIf Steam does not have admin privileges on your computer, that could be the cause of the trouble you’re facing. The client needs full access to function effectively. Giving it admin access means it can change the system configuration files and gain the resources and memory it requires. Follow the steps below:
Afterward, we now have to grant admin access to all the Steam folders, not just the two .exe files shown above:
Also Read: What Is the Difference: Program Files Vs Program Files (x86) Fix 5: Repair the Steam ClientYour Steam client could be corrupt or contain bad files. Here’s what you have to do:
“C:\Program Files (x86)\Steam\bin\SteamService.exe” /repair
Also Read: Ultimate Guide: How to Fix Broken Registry Items in Windows 10/11 Fix 6: Repair Steam FilesPerforming a file repair will help fix important Steam library files that are corrupt. These may be causing CS: Go to bring up the VAC error. Follow the steps below:
If the problem persists, then:
bcdedit.exe /set {current} nx OptIn Fix 7: Verify the Integrity of Your Game Files and Repair the Game LibraryThe error can appear on CS: Go due to integrity issues with your game files. There is a feature in your Steam client that can help resolve this:
Next, you will have to repair the Library folders. It contains the games you installed. Here’s what you have to do:
Fix 8: Exclude the Game Directory from Antivirus ScansIf the antivirus program on your computer is automatically scanning your game files in the background, it prevents VAC from verifying the files, thereby causing the error you are dealing with to show up. You can stop this from happening by whitelisting the Steam directory and the particular game you are having issues with so that they won’t be automatically scanned. The method for doing this depends on the antivirus program you are using. Fix 9: Stop Conflicting Background Tasks/ServicesIf you are running virtualization software and VPN/Proxy, they could be the cause of the ‘Unable to verify the game session’ error you are facing. They could be making VAC to flag you. Here’s how to stop them from running in the background:
Right-click on them and click Disable from the context menu.
Click on each of them and click the End Task button. You can now check to see if the issue has been resolved. If it remains, don’t worry. Move on to the next solution below. Also Read: Signs of Malware: How to Know if Your Computer is Infected Fix 10: End Steam’s Service in Task ManagerIt could be that there’s a problem with the Steam service running in the background. Ending it can help fix the issue. Follow these steps:
Also Read: Ultimate Guide: How to Set the Priority Using Windows Task Manager Fix 11: Verify DLL FileYou will find a Steam service DLL file in the Program Files folder located in Local Disk C on your computer. The second DLL file is located in the Steam installation directory. If these two files differ, then VAC will not be able to verify your game session. What you have to do to fix the issue is to copy one of the DLL files and use it to replace the second one:
Fix 12: Delete Temporary FilesDeleting the temporary files that have been stored by your computer over time can help resolve the ‘VAC unable to verify game session’ error. The files might be corrupt. Follow these easy steps:
Pro Tip: Use Auslogics Windows Slimmer to clean your PC and help to remove unneeded files and uninstall unused programs and apps. Fix 13: Update Your DriversIt could be that you don’t have the correct device drivers installed on your computer. Running an update can help resolve driver issues that could be preventing your game from operating properly. We suggest using Auslogics Driver Updater to perform this task easily. The tool will automatically detect problematic drivers and install the correct versions provided by your device manufacturer. You won’t have to trouble yourself with finding out the specifications of your computer and sourcing the drivers yourself. Driver Updater will handle everything for you. Here’s what you have to do:
Note: You need the Pro version of Auslogics Driver Updater before you can download and install the updated version of your drivers. Also Read: [EASY GUIDE] How to Update Device Drivers on a Windows 10 PC? Fix 14: Update WindowsInstalling Windows updates removes vulnerabilities, updates your drivers, and fixes other issues that could be preventing your system and apps from functioning properly. It may be able to resolve the ‘VAC was unable to verify the game session’ error.
Also Read: Ultimate Guide: How to Manually Check and Install Windows Updates Fix 15: Turn Off Steam BetaSome users reported fixing the issue by opting out of Steam’s Beta mode. Here’s how:
We hope you’ve found these tips on how to verify VAC in CSGO useful. You can share your comments, questions, or further suggestions in the comments section below. |