FIX: Windows 10/11 Compatibility Troubleshooter not working

by Matthew Adams
Matthew Adams
Matthew Adams
Windows & Software Expert
Matthew is a freelancer who has produced a variety of articles on various topics related to technology. His main focus is the Windows OS and all the things... read more
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  • If the Compatibility Troubleshooter is not working on Windows 10, this can be a problem, but you can fix it easily.
  • Some users have fixed this issue by changing the values of a couple of environmental variables.
  • Enabling or running certain services can often help you fix this problem on your Windows 10 PC.
  • In case Windows Troubleshooter is not working, we encourage you to try all the solutions from this guide.
windows 10 compatibility troubleshooter not working

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Some users reported that the Windows 10 Programs Compatibility Troubleshooter doesn’t work for them. When those users try to launch it, the troubleshooter displays a loading error message with code.

The compatibility troubleshooter also hangs on detecting issues for some users. This can be a problem, but in today’s guide we’ll show you how to fix it.

How can I fix Program Compatibility Troubleshooter problems?

1. Check the TEMP and TMP variables are set for your C: drive

  1. First, press the Windows key + S key combination to open a search utility.
  2. Next, enter Control Panel in the search text box.
  3. Click Control Panel to open its window.
  4. Then enter the keyword environment in the Control Panel’s search box.
  5. Click Edit environment variables for your account to open the window shown directly below.
  6. If the TEMP path value is not set to the C: drive, select it and click Edit.
    Edit User Variable window windows 10 compatibility troubleshooter not working
  7. Then change its variable value to this: C:\Temp
  8. Press the OK button.
  9. Double-click TMP if its environment variable is not configured for your C: drive.
  10. Change the Variable value to: C:\Temp
  11. Click OK on the Edit User Variable window.
  12. Then click OK on the Environment Variables window.

Sometimes modifying the environmental variables helps if the Compatibility troubleshooter not working on Windows 10, so be sure to try that.

2. Run Windows 10 in Safe Mode

  1. Open the Windows 10 Start menu.
  2. Click the Power button.
  3. Press and hold the Shift key and click Restart.
  4. When Windows 10 restarts, select the Troubleshoot option.
    Windows failed to start. A recent hardware or software change might be the cause
  5. Then select Advanced options and choose Startup settings to open a Restart button.
  6. Click the Restart button.
  7. Thereafter, press the F4 key to select the Enable Safe Mode option on the Startup Settings menu.
  8. Then try running the Programs Compatibility Troubleshooter in Safe Mode.
Note icon
Note: If the Programs Compatibility Troubleshooter works in Safe Mode, a third-party program or service is most likely conflicting with it outside of Safe Mode.

3. Disable third-party antivirus software and firewalls

Third-party antivirus utilities and firewalls are the most likely software to conflict with the Programs Compatibility troubleshooter.

So, try disabling any third-party antivirus utility or firewall software you have installed by right-clicking its system tray icon and selecting a disable option for it.

Avast shields control options windows 10 compatibility troubleshooter not working

4. Check the Cryptographic service is enabled

  1. Press Windows Key + R. Next, type this services command in Run’s Open box: services.msc.
  2. Click OK to open the Services window.
  3. Double-click Cryptographic Services to open the window in the snapshot directly below.
  4. Select the Automatic option on the Startup type menu if that setting isn’t currently selected.
  5. Click Start to run the service.
  6. Select the Apply option.
  7. Press the OK button to close the Cryptographic Services window.

If the Compatibility Troubleshooter is not working, make sure that you enable the necessary services by following the steps mentioned above.

5. Flush the DNS cache and reset Winsock Catalog

  1. First, click the magnifying glass button for the search utility on Windows 10’s taskbar.
  2. Type Command Prompt in the search box.
  3. Right-click Command Prompt in the search results to select the Run as administrator option for that command-line utility.
  4. First, input this command and press Enter: ipconfig /flushdns
  5. Next, type this reset command into the Prompt and press Enter: netsh winsock reset
    NVIDIA GeForce driver error code 0x0003
  6. Restart Windows 10 after entering those commands.

After running these commands, check if Compatibility troubleshooter is still not working on Windows 10.

6. Reset Windows 10

  1. Press the Windows key and I at the same time to open Settings.
  2. Click Update & Security to open a Windows Update tab.
  3. Select Recovery on the left of Settings to open the option shown directly below.
  4. Press the Get started button for the Reset this PC utility.
  5. Select the Keep my files option, and click Next.
  6. Click the Next and Finish buttons to reset Windows 10 to its default factory configuration.

Users have said that the above potential resolutions have helped them resolve issues with the Programs Compatibility Troubleshooter not working.

Some of the above fixes might also feasibly fix similar loading issues for different troubleshooters, so be sure to try them all.

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