Windows 8 and 8.1 Forums


COM Surrogate has stopped working error msg

  1. #1


    Grandview, Tx
    Posts : 7
    Windows 8 Pro 64

    COM Surrogate has stopped working error msg


    I upgraded from win 7 to win 8 pro about a month ago. Ever since then, when I go to my F drive and open 2 folders that have video clips/screenshots in them a box pops up saying com surrogate has stopped working. When I click on close the program it comes right back and a green bar starts filling in on the top of the window. In the event viewer under applications the event shows the faulting application as DllHost.exe and faulting module as ntdll.dll. I've looked and looked but I just don't know enough to understand all of this completly. Please help as I really want to get this fixed.

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  2. #2


    Sunnyvale, CA USA
    Posts : 283
    Windows 8.1 Pro with Media Center (64-bit)


    Do you by any chance have Acronis True Image installed? I think there have been reports like yours on it for some systems.
      My System SpecsSystem Spec

  3. #3


    Grandview, Tx
    Posts : 7
    Windows 8 Pro 64


    No, I don't have that program installed.
      My System SpecsSystem Spec

  4. #4


    Sunnyvale, CA USA
    Posts : 283
    Windows 8.1 Pro with Media Center (64-bit)


    Maybe look here:

    What does the COM Surrogate do and why does it always stop working? - The Old New Thing - Site Home - MSDN Blogs

    where it says:
    The COM Surrogate is a fancy name for Sacrificial process for a COM object that is run outside of the process that requested it. Explorer uses the COM Surrogate when extracting thumbnails, for example. If you go to a folder with thumbnails enabled, Explorer will fire off a COM Surrogate and use it to compute the thumbnails for the documents in the folder. It does this because Explorer has learned not to trust thumbnail extractors; they have a poor track record for stability. Explorer has decided to absorb the performance penalty in exchange for the improved reliability resulting in moving these dodgy bits of code out of the main Explorer process. When the thumbnail extractor crashes, the crash destroys the COM Surrogate process instead of Explorer.

    and here, too, for similar things:

    The Case of the Slooooow System - Mark's Blog - Site Home - TechNet Blogs
    Last edited by arachnaut; 09 Feb 2013 at 16:43. Reason: add stuff
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  5. #5


    Grandview, Tx
    Posts : 7
    Windows 8 Pro 64


    I was looking around at the properties of the files to see if something was out of place or what not. In the customize tab, I had set it for videos. I changed it to general items, applied and when I closed properties, the icons changed to small icons. I went out of the folder, back into it and did not get err msg that time. I moved my cursor over large icons and as soon as I did the com surrogate msg popped up instantly only if the folder is customized for video. With it set to pictures it works just fine. So I guess just leave them small, pictures if I want thumbnails and I won't have to worry about it then, correct?
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  6. #6


    Sunnyvale, CA USA
    Posts : 283
    Windows 8.1 Pro with Media Center (64-bit)


    Yes, that's what I would do, unless you want to narrow down which thumbnail manager is making the problem. Perhaps it is a special file type only?
      My System SpecsSystem Spec

  7. #7


    Grandview, Tx
    Posts : 7
    Windows 8 Pro 64


    Nope, not really. I'll keep it simple. Thank you for your help.
      My System SpecsSystem Spec

  8. #8


    Posts : 1
    Windows 8


    Quote Originally Posted by arachnaut View Post
    Yes, that's what I would do, unless you want to narrow down which thumbnail manager is making the problem. Perhaps it is a special file type only?
    New to this forum, sorry if the post maker is the only one allowed to ask questions, not sure if I have to make my own, but I have the same problem, but it only happens in my Recorded Videos folder, a folder I use for video game recordings, just finished recording lots of Spelunky HD edition, and suddenly I'm being bombarded with these COM Surrogate has stopped working messages, I set the icons to "detail" view, and it fixed it, but moving those files (which requires administrator and thus comes up with a large view of the icon - the VLC media player cone as I use VLC) causes the error to come up again, and the files won't move until I end the process again and again. It's really starting to annoy me!
      My System SpecsSystem Spec

COM Surrogate has stopped working error msg
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