ERROR_DEBUG_ATTACH_FAILED: 5 Ways to Fix

The ERROR_DEBUG_ATTACH_FAILED usually shows up in debug apps like WinDbg, Android Studio or Microsoft Visual Studio. Occassionally, it also happens when running certain antivirus tools or game launchers.

Regardless of the app where it happens, the most likely causes are permission conflicts, interfering apps and compatibility problems. Follow the steps below to get it fixed.

How to fix ERROR_DEBUG_ATTACH_FAILED

1.Run the app as administrator

1. Right-click on the problematic app.
2. Select Run as administrator.
3. Check if the error persits.

Certain apps require administrator rights to run properly, so always make sure you run as administrator to avoid Debug Attach Failed messages.

2. Disable debugging restrictions

1. Press Windows + R, type gpedit.msc, and press Enter
2. Go to: Computer Configuration > Administrative Templates > System.
3. Find Debugger Detection and make sure it’s set to Disabled.
4. Restart your system.

3. Perform a clean boot

1. Press Windows + R, type msconfig, and hit Enter.
2. In the System Configuration window, go to the Services tab and check Hide all Microsoft services.
3. Click Disable all.
4. Go to the Startup tab and click Open Task Manager.
5. Disable all startup programs.
6. Restart your PC.

Now, your PC will restart running only essential Windows processes and apps. If an interfering app was causing the ERROR_DEBUG_ATTACH_FAILED issue, now it should be gone. Re-enable apps one by one to locate the culprit.

4. Update your OS

1. Go to Settings > Update & Security > Windows Update.
2. Check for updates and install any that are available.
3. Restart your PC

5. Run app in compatibility mode

1. Locate the app that triggers the error, right-click on it and select Properties.
2. Go to the Security tab.
3. Check the box for Run app in compatibility mode for.
4. Pick Windows 10 or Windows 7.
5. Save your settings and check if the problem persists.

Now the error Debug Attach Failed should no longer appear.

That’s about it. As much of a hassle as it can seem, ERROR_DEBUG_ATTACH_FAILED isn’t that difficult to fix as it may seem. Similarly to other Windows errors such as ERROR_REGISTRY_HIVE_RECOVERED, a few tweaks do the trick.

Let us know if you have any more questions about this error and we’ll do our best to help you.