MTG Arena Error GetThreadContext Failed – Fix It

Fix 5: Turn Off Data Execution Protection (DEP) Feature of Windows

DEP is the best Windows security feature to safeguard Windows systems from damage by threats like malware and viruses etc. However, DEP is one of the best Windows features, it can also hinder the game operation and then cause the issue under discussion. So, excluding the game from DEP or fully turning off DEP may fix the issue.

Warning: Proceed further at your own risk as modifying DEP settings may expose your system to threats like malware, viruses, trojans, etc.

• Quit MTG Arena and then ensure that there is no process related to the game is executing in the Task Manager of your system.
• Now head over to the Control Panel in the Windows Search box (on the Taskbar of your PC). Then from the results, tap on Control Panel.
• You can now change the view to Large Icons.
• Then head over to System.
• Now from the left pane of the Window, tap on Advanced System Settings.
• Then from the Advanced tab, tap on Settings in the Performance section.
• Now head over to the Data Execution Prevention tab. You can then tap on Turn on DEP for All Programs Except Those That I Select.
• Now tap on the Add button and then head over to the installation directory of the game.
• Then choose the MTGAlauncher.exe file of the game. Then tap on Open.
• Also, tap on the Apply button in the Data Execution Prevention tab.
• Now simply launch the MTG Arena game and check if it’s clear the error.
• If not, then you might have to completely turn off DEP.

If you still face GetThreadContext Failed error then dive down to the other method below!

Also See: DX11 Feature Level 10.0 Is Required To Run The Engine – Fix It

Fix 6: Modify Antivirus & Firewall Settings

Antivirus and firewall apps play an essential role in the security of your PC and data. You may face the error at hand if your firewall and antivirus apps are interfering in the game operation. In this case, allowing the game through the firewall and antivirus settings may solve the issue.

Warning: Proceed further at your own risk as modifying settings of your antivirus and firewall apps may expose your PC to threats such as viruses, trojans, etc.

• Temporarily turn off your firewall and antivirus. Also, check if any of the files related to games are in the quarantine settings of your antivirus/firewall. If so, then simply restore those files to the original locations.
• If you have a choice to add exceptions for the game. You can then add the whole installation folder of the game in the exceptions.
• Also, check if the MTG Arena game working fine.
• If not, then head over to the other step and make changes to your antivirus/firewall settings (Reported by users to work).
• For Avast: Head over to Settings and Navigate to the Troubleshooting. Then unmark the option of Enable Hardware-Assisted Virtualization and restart your PC.
• For Kaspersky: Head over to Application Activity and in the monitored list. Then add the processes related to Unity and the game to Trusted.
• For all other antiviruses apps, revert settings of your antivirus to default
• Also, check if MTG Arena is working fine.
• If not, then you might have to fully uninstall your antivirus product.

If you still face GetThreadContext Failed error then dive down to the other method below!

Fix 7: Game Reinstallation

If nothing helped then the problem is caused by the corrupt installation of MTG Arena. In this situation, reinstalling the game may fix the issue. For illustration, we’ll discuss the whole process for a Windows PC.

• Quit MTG Arena and kill all of its processes related through the Task Manager.
• Install and download the game (just install over existing installation). Then check if the problem is fixed.
• If not, head over to the Control Panel in the Windows Search box (on the Taskbar of your PC). From the list of results, tap on Control Panel.
• Then tap on Uninstall a Program.
• Now choose MTG Arena and then tap on Uninstall.
• Then follow the on-screen instructions to complete the uninstallation of MTG Arena.
• You can now restart your PC and after the restart. Then open the File Explorer and delete the following Folders (if exist):

%USERPROFILE%\AppData\Local\Temp\Wizards of the Coast

%USERPROFILE%\AppData\Local\Temp\MTG

%USERPROFILE%\AppData\Local\Temp\MTGA

%USERPROFILE%\AppData\Local\Wizards of the Coast

• Now head over to Registry Editor in the Windows Search box and when the results are shown. Then right-tap on Registry Editor and then tap on Run as Administrator. (Warning: Proceed further at your own risk as the editing registry of your PC needs a certain level of expertise. But if anything went wrong, you may damage your PC beyond repair).
• Then head over to the following path:

Computer\HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node

• Now remove the folder of Wizards of the Coast.
• Then restart your PC and after the restart. You can then install the game and hopefully, the issue is fixed.

If nothing works for you, you can then try to install or download an older variant of the game.

Conclusion:

Here’s all about ”GetThreadContext Failed Error”. I hope you’ve found this guide pretty helpful. Also, one of these workarounds given in this guide will save your PC from this error. If you have any queries, questions, or feedback then write down the comments section below!

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