How to fix «Fatal Error failed to connect to local steam client process» when starting CS GO?

Many players around the world suffer from the «Fatal Error failed to connect to local steam client process» error when trying to launch Counter Strike Global Offensive. They click on Play in “Steam” client, but instead of the expected launch, the above error appears on the monitor screen.

Let’s see what you can do to fix the “«Fatal Error failed to connect to local steam client process» error when launching CS GO.

Fatal Error failed to connect to local steam client process

Fixing the error «Fatal Error failed to connect to local steam client process»

So let’s try to fix this problem. We recommend that you follow all the methods that will be described here, even if they seem pointless to you.

  • Restarting the Steam client. First, try restarting your running Steam client. Close it, and also make sure that after closing it there are no running processes left: this can be done using the Task Manager, opened by right-clicking on the Start panel and selecting the appropriate item.
  • Checking the integrity of the game files. If restarting the Steam client did not help you get rid of the Fatal Error failed to connect to local steam client process “error when starting CS GO, then you can try to check the integrity of the game files. Find CS GO in your Game Library, right-click on it and click Properties. Go to the “Local files” tab and click on “Check the integrity of the game files …”. Wait for the verification process to complete (some files may be re-downloaded), and then try starting CS GO again.
  • Reinstalling the Steam client. OK, if you still could not get rid of the error “Fatal Error failed to connect to local steam client process” when starting CS GO, then it’s time to move on to more difficult measures, namely reinstalling Steam. Use “Programs and Features” to uninstall Steam, and then reinstall the client from the official Valve website. Once you download and install Steam again, try again to check for the “Fatal Error failed to connect to local steam client process” error when starting CS GO.
  • Run Steam as an Administrator. Some users claim that this problem can be solved by launching Steam through Administrative Privileges. Go to the directory where you installed the Steam client. Find the executable file steam.exe there, right-click on it and select “Run as Administrator”. Then try starting CS GO.
  • Disable firewall and antivirus. This method has established itself as one of the most effective in combating the error “Fatal Error failed to connect to local steam client process” when starting CS GO. If you have a third-party antivirus, then try disabling its protection while starting the game. Many users claim that the antivirus was the cause of this problem. If this does not help, then you can try disabling Windows Defender. It is also worth trying your luck with disabling Windows Firewall: it may have blocked the network connection created by launching the game, after which the error “Fatal Error failed to connect to local steam client process” appeared.

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