When clicking links in for example Thunderbird or LibreOffice I allways get a new Firefox instance/window.
I would like it to open the link in a new tab in my already running Firefox intance or if no FF is running fire it up.
This was the default behaviour in Ubuntu, but I am trying to switch to Netrunner since it seems really really nice.
So far i spent 2 hours trying to fix this.
Finally solved it.
Open Firefox and type about:config [ENTER]
It might issue a warning, but just say yes to “be carefull”.
Search/locate the setting:
I’m just curious, but do you go to Firefox, edit, then prefernces, tab and check "open new windows in a tab instead.
I always, set it up that way and have never had a problems in Kubuntu or Netrunner.
You found a fix and that’s the good part.