Windows 10: Class not registered response

Discus and support Class not registered response in Windows 10 Support to solve the problem; When clicking the icon for Free File Viewer I get the ''Class not registered'' popup. Following advice I get to Component Services --- My computer but... Discussion in 'Windows 10 Support' started by clayto, Feb 3, 2020.

  1. clayto Win User

    Class not registered response

    When clicking the icon for Free File Viewer I get the ''Class not registered'' popup. Following advice I get to Component Services --- My computer but then no further to something which makes sense. What should I do? There is so much advice, including on this site, I do not know where to start.

    clayto, Feb 3, 2020
  2. Erika Aro Win User

    class not registered

    Hi Sheila,

    The error Class Not Registered may affect many applications. It can be due to changed changes on the Default apps. We'd like to ask the following to help us out on this:

    • Can you elaborate the troubleshooting steps that you've done so far?
    • Are you able to tell us when did this happened and how long is this ongoing?
    • Were there any newly installed applications or updates applied on the device?
    • Do you have another user account we can use on your device?
    Erika Aro, Feb 3, 2020
  3. Riel Alc Win User
    "class not registered" error

    Hi Eddie,

    For better assistance, are you getting the error with this specific file only?

    We suggest checking this thread to resolve the "Class not Registered"

    We're looking forward to your reply.
    Riel Alc, Feb 3, 2020
  4. Class not registered response

    Explorer.exe Class not registered

    It seems StartIsBack is breaking your system and we suggest you to avoid using it, so that you can prevent 'Class not registered' and related errors.

    Kapil Arya MVP, Feb 3, 2020

Class not registered response

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