How to Troubleshoot: Bex64 Error on File Explorer and Third-party Applications

System crashes with a BEX64 event name are usually reported after a third-party application or game crashes. Most affected users report that crashes in their case occur randomly or when performing complex activities.

The application stopped working, the problem event name is BEX64.

What Causes a Bex64 Error in Windows 10

Blocked by Data Execution Prevention filter: It is also possible that the application that is being blocked is operating below the rules imposed by the DEP filter. If this scenario applies, and you trust the application, you can probably solve the problem by disabling the filter using the Advanced CMD query.

Various third-party failures: According to some affected users, this problem can also occur after a failure of an overprotected AV package, MacType, DEDgear, AmBX, Razer Synapse, or Teamviewer. In this case, you need to boot your computer to identify the culprit and then remove it through official channels.

Interfering with the amBX service: If you see this error when trying to run GTA V, and you previously installed a Lightning custom module such as amBX, it is likely that you are dealing with a conflict between the two processes. In that case, you can fix the problem by going to the Services menu and disabling the amBX service.

How to Solve the Bex64 Error on Windows 10

Remove amBX service

  1. Press Windows + R to open “Run” and type services.MSC in the text box.
  2. Press Enter to open Services.
  3. Navigate through the list and select amBX.
  4. Right-click on amBX and select Properties from the new menu.
  5. In the Properties menu, click General.
  6. Under Startup Type, select Disable.
  7. Click Apply to save your changes.

Disable Data Execution Prevention

  1. Press Windows + R to run Run, and type cmd in the box.
  2. Press Ctrl + Shift + Enter to enable the command line.
  3. Press Yes to give the administrator access to User Account Control (UAC).
  4. At the command prompt, type the following command and press Enter:
    bcdedit.exe /set {current} nx AlwaysOff
  5. Restart your computer and wait for Windows to boot.

Remove annoying third-party applications

Remove programs with errors

  1. Press the Windows + R keys to open Run.
  2. From there, type appwiz.CPL and press Enter.
  3. Under Programs and files, find the program you want to uninstall.
  4. Right-click on it and select Uninstall.
  5. Follow the uninstall procedure and follow all steps.
  6. Restart your computer.

Perform a reboot

  1. Press the Windows + R key combination.
  2. In the dialog box, type the following command: MSConfig, then click OK.
  3. Select Services, select Hide all Microsoft devices, and then select Disable all.
  4. Click Apply, press OK to confirm your selection, and then select Restart Later.
  5. Press the Windows + R key at the same time.
  6. Enter MSConfig in the dialog box and click OK.
  7. Under System Configuration, select Startup and then open Task Manager.
  8. Select the Startup Effect field.
  9. Select all processes with High Impact status.
  10. Right-click each of them and select Disable.

Frequently Asked Questions

  • Disable the amBX service.
  • Remove any interfering third-party applications.
  • Disable Data Execution Prevention (DEP).

Crashes named BEX64 events are usually logged after a file explorer (Windows Explorer) crash, or after a third-party application or game crashes. If this scenario applies, and you trust the application, you can probably solve the problem by disabling the filter using the extended CMD prompt.

A StackHash error occurs when DEP is called and there is a problem with the application you are trying to run (and there are several hundred of them that seem to be causing it problems). The error is related to the fact that the data cannot be executed. We are going to fix the problem by running your computer in clean boot mode.

Appcrash is a contextual error message that is displayed in Microsoft Windows, mainly when a program fails to start itself and is left to generate similar error messages on the screen as an application failure.

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Mark Ginter is a tech blogger with a passion for all things gadgets and gizmos. A self-proclaimed "geek", Mark has been blogging about technology for over 15 years. His blog,, covers a wide range of topics including new product releases, industry news, and tips and tricks for getting the most out of your devices. If you're looking for someone who can keep you up-to-date with all the latest tech news and developments, then be sure to follow him over at Microsoft.