Fix COM Surrogate has Stopped Working in Windows 10/8.1/7

If you get “COM Surrogate has stopped working” when you viewing photos or watching videos, don’t worry friends! In this article i will share to discuss How to Fix COM Surrogate has Stopped Working in Windows 10/8.1/7.

Before it, you need to know why get error COM Surrogate has stopped working? This error is often caused because of codecs and other COM components installed by various applications that aren’t fully compatible with Windows 10/8.1/7, like some versions of Nero or DivX. Recommended you should be upgraded DivX to the very latest version (6.5+) also upgrading Nero to the latest version (

But If you’ve upgraded Nero and Divx and still have the problem, you can try renaming the file C:\Program Files\Common Files\Ahead\DSFilter\ to  You may also need to rename to NeVideoHD.bak.

See also: Repair Windows 10 using Automatic Repair

Fix COM Surrogate has Stopped Working in Windows 10/8.1/7 with turn Off DEP (Data Execution Prevention)

Turning off Data Execution Prevention on dllhost (the COM surrogate) can fix this problem, So lets follow this solution below.

  1. Open Advanced system settings. If you using Windows 7, go to Control panel > System then tap on Advanced system settings. If you using Windows 10/8.1 Search on Cortana/Search box with type= advanced system settings.
  2. Tab on Settings under Performance.
  3. OK, now you have two options, by default DEP in turned on for essential Windows programs and services. If the second options is selected, it will turn on DEP for all programs and services (not just Windows) except those which you select.
  4. Note: While adding programs to the exception list you might get an error message saying “You can not set DEP attributes on 64-bit executable’s” when adding a 64-bit executable to the exception list. However, there is nothing to worry about as it means your computer is 64-bit and your processor already supports hardware-based DEP.
  5. If get warning “Your computer’s processor supports hardware-based DEP” means that all the 64-bit processes are always protected. So to prevent DEP from protecting a 64-bit application is to turn it off completely. You cannot manually turn off DEP, so in order to do so you have to use the command line.
  6. Turn DEP Always On then Always Off using Command Prompt.

  7. Open Command Prompt with short key: Windows key + R then type cmd.

  8. Inside command prompt type these following commands and hit enter:
    To always turn on DEP:
     bcdedit.exe /set {current} nx AlwaysOn
    To always turn off DEP:
     bcdedit.exe /set {current} nx AlwaysOff

  9. See picture below.
  10. Restart your PC/Windows.

So this is all steps how to always turn DEP off to Fix COM Surrogate has Stopped Working in Windows 10/8.1/7. Hope can help you 🙂

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