How to Fix: MTG Arena Error GetThreadContext Failed

There are different reasons why you might run into the GetThreadContext Failed error in the MTG Arena game. It might arise due to restrictions imposed by your antivirus or ISP, and it might also occur due to a glitch in the installation of the game on your system. At other times, the GetThreadContext Failed error might just be due to some conflicting apps, Faceit for example.

In this article, you’ll find out how you can fix the “GetThreadContext Failed” error in your MTG Arena game. Bear in mind that the fixes proposed in this post are in no particular order, and you can try them out one by one until the error is resolved for you.

Fix GetThreadContext Failed Error in MTG Arena

Uninstall Conflicting Apps like Faceit

Many players, as well as games, employ the use of Faceit as an anti-cheat application. Sometimes, Faceit can prove to be a conflicting app with games like MTG Arena and that may lead to the “GetThreadContext Failed” error. Uninstalling Faceit, or any other anti-cheat application as applicable can help solve the problem.

• Close the game.
• Open the Settings window and select Apps.
• Locate Faceit in the list of applications and expand by clicking on the app.
• Click “Uninstall” and wait for the uninstalling process to reach completion.
• Restart your PC and check if the “GetThreadContext Failed” error is fixed in your MTG Arena game.

Disable Single Output for Multi-GPUs

It is known that multi-GPU technologies conflict with MTG Arena games and this can lead to players encountering the “GetThreadContext Failed” error. Disabling single output features for multi-GPUs like SLI (for NVIDIA) and CrossFire (for AMD) can help to solve the issue.

For NVIDIA (SLI)

• Locate and open the NVIDIA Control Panel.
• Expand the option “3D Settings” and select “Configure SLI, Surround, PhysX”.
• Check the “Disable SLI” option.

For AMD(CrossFire)

• Locate and open the AMD Control Panel.
• Navigate to “Performance” in the bookmarks section and expand that option.
• Click on “AMD CrossFireX” and in the options on the right, select “Disable AMD CrossFireX”.

After you have disabled the single output features for the multi-GPUs, launch your MTG Arena game again and check if the “GetThreadContext Failed” error has been resolved.

Try a different Network

In a bid to protect users as well as control website traffic, internet service providers (ISPs) employ different strategies but these measures sometimes hinder an essential resource required for the operation of the MTG Arena game, giving rise to the “GetThreadContext Failed” error.

What you can do in this case is to close the game and disconnect your PC from the current network. Connect to a different network and launch the game to see if the error has been fixed.

Alternatively, you can use a VPN to bypass restrictions imposed by your ISP and launch the game again to check if the error has been fixed.

Disable DEP feature for Windows

Data Execution Prevention is a Windows security feature that helps to shield Windows systems from threats like viruses and the likes. While this is a useful Windows feature, it has also been proven to be likely responsible for glitches in the MTG Arena game which may give rise to the “GetThreadContext Failed” error. What you can do is to exclude your MTG Arena from the DEP service or disable the feature.

Note however that this fix comes with the risk of making your Windows system vulnerable to threats like viruses and the likes.

• Close the MTG Arena application and end all processes related to it in the task manager.
• Launch the Control Panel, navigate to and select  “System”.
• In the System window, select “Advanced system settings”.
• In the Advanced tab, click on “Settings” under the “Performance” section. This opens the “Performance Options” window.
• Navigate to the Data Execution Prevention tab and select the “Turn on DEP for all programs and services except those I select” option.
• Proceed to exclude MTG Arena from the list.

With that done, you can launch the MTG Arena game again to check if the error has been fixed. If the “GetThreadContext Failed” error persists, then you should go on to completely disable the DEP feature. Follow the steps below to disable the DEP feature for Windows.

• Press the Windows key + X on your keyboard and from the options that pop up, select Command Prompt (Admin) or Windows Powershell (Admin) as the case may be.
• In the command prompt window, type in the command: bcdedit.exe /set {current} nx AlwaysOff and press Enter.
• Restart your computer and launch the MTG Arena game to see if the issue has been resolved.

If you need to enable the DEP feature again, just follow the same steps and replace “AlwaysOff” with “AlwaysOn” in command prompt.

Change the Antivirus and Firewall settings

This is another fix you’ll be trying at the expense of exposing your personal computer to the risk of damage by threats such as viruses, trojans and the likes. Changing your Antivirus settings as well as those for Windows Firewall can sometimes be the fix for the “GetThreadContext Failed” error in MTG Arena, so you might want to take that risk.

• You can start by disabling your Antivirus and Firewall. Check to see if any of MTG Arena’s related files are in your antivirus//firewall’s quarantine settings. If that is the case, restore those files to their original locations.
• Launch MTG Arena and check if the “GetThreadContext Failed” error has been fixed.
• You can also choose to add the game and its entire installation folder to your Antivirus/Firewall’s exception list.
• Launch MTG Arena and check if the “GetThreadContext Failed” error has been fixed.
• If the adjustments to your Antivirus/Firewall above still do not fix the issue, you can make these custom changes that have been proven to work by many MTG Arena players to help solve the “GetThreadContext Failed” error.
  • For Avast users: Open the Settings menu and locate “Troubleshooting”. In the “Troubleshooting” options, uncheck the option to “Enable hardware-assisted virtualization”. Restart your computer and launch MTG Arena once again to check if the issue has been resolved.
  • For Kaspersky users: Navigate to “Application activity” in the app and add all of MTG Arena related processes and Unity to “Trusted”. Restart your computer and launch MTG Arena once again to check if the issue has been resolved.
  • For all other Antivirus applications, all you simply need to do is revert the antivirus settings to default, and then restart your computer and launch MTG Arena once again to check if the issue has been resolved.

Restart Update Downloads

Last but not least on the list, you can simply restart the downloads of updates for MTG Arena as the “GetThreadContext Failed” error can sometimes be caused by some temporary glitch in the communication/application modules of the game.

Close the game and if you’re unable to do that normally, don’t be afraid to force-shut the game by pressing Alt+F4. Then launch the game and start the download, it is expected to continue from where you left off.

If the download freezes again with the “GetThreadContext Failed” error persisting, close the game and repeat the process for a few more times until the problem is solved. Some users claim that this method proved helpful on their 10th trial or thereabouts, so don’t give up too soon.

Hopefully, one of the fixes discussed in this post has been able to help you solve the “GetThreadContext Failed” error in Magic: The Gathering Arena. Feel free to share with other users, which of the above-listed methods helped you.