How to fix BEX64 error and crash [Full guide]

Loredana Harsana
by Loredana Harsana
Managing Editor
Loredana is a passionate writer with a keen interest in PC hardware and technology. She started off writing about mobile phones back when Samsung Galaxy S II was on top of the world and... Read more
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  • The annoying BEX64 error that you’re seeing is often related to third-party apps that crushed.
  • In order to solve it, make sure to eliminate third-party interfering apps, as described below.
  • You can disable the amBX service too, assuming that you tend to play GTA V and similar games.
  • The BEX64 explorer.exe error in Windows 10 may also be caused by the DEP. Take a look at our quick tip on how to fix it right away!
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What is the BEX 64 error? Well, let us tell you from the very start that it is an error that usually appears when File Explorer, a third-party app, or a game has crashed.

Some users explained that this error just appeared randomly, while others encountered it after they performed a demanding activity.

If you are a GTA V player who uses the amBX custom lighting module, there are high chances that it will cause the BEX64 error to appear in Windows 7 and the latest versions.

This is often the result of a conflict between two processes. Users reported applications such as Teamviewer, MacType, or Razer Synapse that caused interference and launched BEX64.

Regarding Windows, you should know that the Data Execution Prevention (DEP) will sometimes block the application that crashes. This may as well trigger the error and crash named BEX64.

Here’s what one concerned user claims:

While playing Call of Duty: Black OPS 4, the game stopped working, and I received the Problem Event Name BEX64. I have tried so many solutions to get this to work (clean boot, startups disabled, dep off – which doesn’t work for a 64bit application, turned WIndows Firewall exceptions to all for bo4, nVIDIA control panel add program).

How can this problem be solved?

Assuming that’s your question as well, take your time to read our next section and learn all about three efficient solutions that will help you solve the BEX64 error for good.


How can I fix the BEX64 error?

1. Disable the amBX service

  1. Press Windows key + R to open Run,  type services.msc in the text box.How to fix BEX64 error and crash error
  2. Press Enter to open Services.Learn how to fix BEX64 error
  3. Navigate through the list and select amBX.
  4. Right-click on amBX and choose Properties from the new menu.
  5. Inside the Properties menu, click General.
  6. At Startup type, select Disable.
  7. Click Apply to save changes.

After you open the Services menu, you may receive a notification from the User Account Control (UAC). In that situation, choose Yes to offer admin access.

After you have passed through each of these steps, restart your computer and launch the game that previously crashed right after the startup has completed.

Some games such as GTA V will have issues with the amBX service, and as such, they will crash every time at launch.

However, by navigating through Services and disabling amBX like detailed above, you will manage to prevent the BEX64 Windows 10 error from launching again.


2. Eliminate third-party interfering apps

Perform a clean boot

  1. Press Windows + R keyboard shortcut.
  2. Type in the dialog box the following command: msconfig, and click OK.How to fix the BEX64 error
  3. Select Services, check Hide all Microsoft devices, then choose Disable All.
  4. Click Apply, confirm your choice by selecting OK, and then the Restart Later option.
  5. Press Windows key + R simultaneously.
  6. Type msconfig in the dialog box, and click OK.
  7. In System Configuration select Start-Up and open Task Manager.
  8. Select the Start-Up Impact field.
  9. Choose all processes with the High Impact status.
  10. Right-click on every one of them and select Disable.

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When you perform a clean boot operation, it will start up the system using only the Windows services loaded and the default programs necessary to function.

The purpose of this solution is to prevent unnecessary programs from starting up automatically. Using clean boot will free up computer memory from your system: CPU, RAM, and hard disk storage.


Can’t open Task Manager? Don’t worry, we’ve got the right solution for you.


Uninstall faulty programs

  1. Press Windows key + R at the same time to open Run.
  2. In that box type in appwiz.cpl and press Enter.bex64 error
  3. In Programs and Files locate the program to uninstall.
  4. Right-click on it and select Uninstall.
  5. Follow the uninstall setup and go through all steps.
  6. Restart your computer. 

After you first perform the clean boot part and the BEX64 error has stopped, you can enable again the disabled programs. You should also perform several restart operations to identify the problematic program.

This second phase of our solution allows you to eliminate that program and ensure the BEX64 error will not launch anymore.

Make sure to perform the clean boot first, as this allows your operating system to use only native processes and startup items.


3. Disable the Data Execution Prevention (DEP)

disable DEP
  1. Press Windows key + R to launch Run, type cmd in that box.
  2. Press Ctrl + Shift + Enter to activate Command Prompt.
  3. Press Yes to grant admin access for User Account Control (UAC).
  4. In Command Prompt type the following command, and press Enter: bcdedit.exe /set {current} nx AlwaysOff
  5. Restart the computer and wait until Windows has loaded.

After following these steps, make sure to repeat the action that caused the error to show up. Ensure this way that it won’t appear again. 

This solution is important because Data Execution Prevention ensures there aren’t any malicious codes that run in your operating system by performing supplementary checks on the computer memory.

There are certain games that will, unfortunately, interact with the DEP environment because of the way they were built. As a consequence, this will launch the BEX64 error on your computer. 


If you have encountered the BEX64 error in Windows 10, then you should know this may have a few causes. Among the culprits, we have noticed the amBX module, certain applications, or the DEP feature.

In such a case, you may try to disable the amBX module, perform a Windows clean booting operation, or simply disable Data Execution Prevention.

Test out our recommended solutions and leave a message to tell us if they have proven useful to you as well.

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