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#1 2020-07-10 18:40:23

Registered: 2016-04-30
Posts: 50

Firefox and Chrome fail to launch external applications e.g zoom slack

As of a recent update Firefox and Chrome are failing to launch external applications. I'm not sure how to troubleshoot this issue.

For example, when I try to open a Zoom meeting link, the Zoom application used to launch automatically into the meeting. Now that does not occur. No application or prompt for what application should be used ever shows up. Whether Zoom is already running has no effect. This is now the case in both Firefox and google-chrome from the AUR.

I'm using i3 and no DE.

Any thoughts on how to start debugging this?

Thank you smile


#2 2021-01-13 13:19:26

Registered: 2016-12-02
Posts: 2

Re: Firefox and Chrome fail to launch external applications e.g zoom slack

I have the same problem and I am using also only i3.
The gist of it should be to :

1. set a custom url scheme handler with xdg-settings or manually in your ~/.config/mimeapps.list :

xdg-settings get default-url-scheme-handler zoommtg
# ensure it is set to zoom.desktop (verify in /usr/share/applications
xdg-settings set default-url-scheme-handler zoommtg zoom.desktop

or add


to the Zoom desktop file that you manually created.

2. change the scheme handler in your browser (this depends on your browser).

I'm testing all those solutions, I'll keep posting if i found THE solution.

some readings :

Last edited by kidpixo (2021-01-14 14:33:02)


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