Fix: The COM surrogate has stopped working

The COM surrogate has stopped working is one of the most common errors these days. It comes out of nowhere when you are browsing through your media files. You do not need to panic because we have provided the best fixes available here and we assure you that this guide should help you fix your problems. Let us discuss what this COM surrogate does and why is it not working all of a sudden.

There is an exe file known as dllhost.exe and it is known as the COM surrogate. It works in the background so you might have not noticed that there is something like that until it crashed and displayed an error message. This is a process specially designed for running outside the process that requests it. The calculations required in order to launch a thumbnail file in the Windows operating system are done by the COM surrogate so it is launched by the operating system whenever you launch a file which is a thumbnail.

There are various security issues which have been faced in the past because of third party thumbnail processors and this has led to the Microsoft company developing its own extractor named COM surrogate.

There are codes which are harmful and sometimes, when those codes are executed, the COM surrogate application process will catch that and host the code inside its own virtual environment.

Therefore, if the code does something bad, it is the COM surrogate also known as the sacrificial process which will crash instead. In case you are getting the COM surrogate has stopped working error, there might be a codec which is not programmed well or bad for your system causing this issue and you might want to fix that issue.

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Our experts have developed this guide in order to simplify everything. There are a number of fixes compiled here so that the users can solve the crashing error easily in any situation without jumping from site to site in order to look up the fix which is specific to his own configuration.

There have been instances where the users have cause irreversible damage to their systems. The damage is caused by the misconfiguration of certain files which are important to the operating system. Make sure you create a system restore point so that your system will be recoverable and you can go all out on all the fixes which are mentioned below.

How to Fix the COM Surrogate has stopped working issue:

Fix 1: Update Apps & Software

There are times when the incompatibility issues pops up in the Windows computer because of the updated Operating System. There might be a problem with the codec itself which is causing this issue and that problem can be solved by updating it to the latest version. Make sure that you check all the changelogs before downloading the software file so that you can download the version which is the most stable.

Sometimes, you also might have to resort to uninstalling the codec files so that they work smoothly.

Fix 2: Disable Thumbnails

There are options you can use to disable the thumbnail files. This will fix all the problems which you are having temporarily but this is not the best fix you can use in order to solve the error which states ‘COM surrogate has stopped working’

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Fix 3: Re-register DLL Files

There are some dll files which might be responsible for the COM surrogate error. In order to fix those DLL files,

  • Press the Start + X button and open up the Command Prompt using administrator privileges
  • Type the commands which we have listed below. These commands will register the dll files once more :
    • regsvr32 vbscript.dll
      com surrogate has stopped working
    • regsvr32 jscript.dll
      com surrogate has stopped working error fixed
  • Make sure to input each command one by one and press the Enter key in order to register both

This should be able to fix all the issues

In case the COM surrogate has stopped working error is still persisting, make sure that you follow the next fix so that you can find the root cause of this problem

Fix 4: Check the HDD for errors

You can use the default Windows utility which is used for checking disks. Search for the disk check utility in the Start menu and follow the on screen instructions. Have some patience because this utility might take some time to complete.


This is one of the most comprehensive guides which you can find to solve the COM surrogate has stopped working error. Make sure you follow each and every step under each and every fix. We hope that this guide helps you. Good luck.


Fix: The COM surrogate has stopped working
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