Something unexpected went wrong with this url class not registered

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“Something unexpected went wrong with this URL” error in Outlook


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Windows 10, Office 2016:

When I click on http links in Outlook, I get the error:

An unexpected error occurred with this URL

Links do not open in browser.

Additional symptoms are that after installing an updated version of Waterfox (Firefox variant), there are two entries for Waterfox in the default application web browser launcher.

  • windows-10
  • firefox
  • Microsoft Outlook
  • http

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asked on February 20, 2019 at 7:12 PM

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It has been reported to be useful to change the default browser to something else and then change it to whatever you want.

You can refer to the thread discussed on the Technet forum: something-unexpected-went-wrong-with-this-url-not-enough-storage?forum=outlook


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answeredFebruary 21, 2019 at 4:46 am

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  • I’ve marked this as an answer because it contains most of the solution, but since it relies on a link for the relevant explanation, it’s not as comprehensive as my own answer.

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    October 7, 2019 at 11:39 PM

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La cause de cette erreur est que l’entrée sélectionnée dans Applications par défaut pour la gestion des liaisons HTTP n’est pas valide.

Vous pouvez également constater que lors de l’ouverture de liens http à partir d’une autre partie du système, vous recevrez un message “Cette application a été bloquée par l’administrateur système”.

Cambie la entrada del navegador web en Aplicaciones predeterminadas, cierre y vuelva a abrir Outlook y los problemas desaparecerán.

En los casos en que haya entradas duplicadas en la pantalla Aplicaciones predeterminadas, seleccione cada una e intente abrir un acceso directo de http. Si se abre con éxito en el navegador web deseado, esta misma selección debería abrirse con el error anterior en Outlook.


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answered Feb 20, 2019 at 19:16

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