Fixed ‘GetThreadContext Failed’ MTG Arena Fatal Error in GC

'GetThreadContext Failed' MTG Arena Fatal Error in GC

Some games such as MTG Arena, Albion Online, Cities: Skylines, Gold Rush, and many others can lead to the “GetThreadContext Failed” fatal error due to restrictions imposed by antivirus programs or conflicting applications such as FACEIT Anti-cheat Client.

A fatal “GetThreadContext Failed” error has been reported in GC on Windows, Mac, Linux, and Steam versions of the game. Before proceeding to the next troubleshooting steps, always reboot the operating system and network devices to see if the error has disappeared.

The affected user encounters an error when trying to update the MTG Arena client, and the client hangs. The “GetThreadContext Failed” problem is reported on Windows, Mac, Linux (in a virtual machine), and the Steam version of the game. Some users have experienced the error immediately after installing the game.

Before trying the troubleshooting guide by IR Cache, restart your system/network and check if the game has fixed the “GetThreadContext Failed” error.

What causes the MTG Arena fatal “GetThreadContext Failed” error in GC

What causes the fatal "GetThreadContext Failed" error in MTG Arena

MTG Arena game can cause a “GetThreadContext Failed” error due to restrictions imposed by your internet provider or antivirus program. Besides, conflicting applications (such as Faceit) or incorrect installation of the game can also cause the error in question.

  • The problem may be caused by a temporary problem in the communication/application modules. In this context, restarting the update download may solve the problem.
  • ISPs use various techniques and methods to monitor web traffic and protect their users. But in the process, ISPs sometimes block a resource important for the functioning of the MTG game and thus create an ongoing problem.
  • Faceit is an anti-cheat app and is used by many players/games. But this application can interfere with the operation of the game and thus cause the current problem. In this context, uninstalling Faceit can solve the problem.
  • Both Nvidia (SLI) and AMD (CrossFire) have their own options for creating a single output from multiple GPUs. However, these technologies are known to conflict with MTG Arena, causing the mentioned problem.
  • DEP is a Windows security feature that protects Windows systems from damage caused by threats such as viruses, etc. Although DEP is a very useful Windows feature, it can interfere with the game and thus cause the mentioned problem.

How to fix the MTG Arena “GetThreadContext Failed” fatal error in GC

How to fix the "GetThreadContext Failed" fatal error in MTG Arena

Add MTG Arena to the list of exceptions of your antivirus

As with many security solutions, they can also get in the way of legitimate applications. Users reported that after updating their antivirus software, a fatal error suddenly appeared in GC GetThreadContext Failed.

For some of them, it was enough to add MTG Arena to the exclusion list in their AV. Unfortunately, this doesn’t always work. You may need to use other security software.

Disabling or uninstalling the FACEIT client

FACEIT is a client and server solution that aims to detect cheating in online games or software that can help players break the rules while playing.

If it is installed on your system, simply disable it and try running MTG Arena. If the problem persists, uninstall the FACEIT client, restart your computer and try again.

Restart downloading updates

  1. Exit the game (if this is not possible, use Alt + F4 to forcibly close the game).
  2. Then restart the game and restart the download to pick up where it left off.
  3. If the loading stops again, repeat steps 1 and 2.
  4. You may need to repeat the steps several times to complete the download. Some users have completed the download after 10 attempts.

Try a different network

  1. Exit the game/startup and disconnect your system from your current network.
  2. Then connect your system to another network.
  3. If another network is not available, you can use your phone’s hotspot, but be careful about the download size. You can also try a VPN to bypass your ISP’s restrictions.
  4. Now open the MTG Arena game to see if the error is fixed.