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Can't open links from other apps, error "Firefox is already running"

I'm running Arch btw, with GNOME Shell 3.38.3 and Firefox 86.0 (64-bit). If I have Firefox already open and I click on a link inside of another app, Firefox displays the … (read more)

I'm running Arch btw, with GNOME Shell 3.38.3 and Firefox 86.0 (64-bit).

If I have Firefox already open and I click on a link inside of another app, Firefox displays the following error message and the link fails to open.

Firefox is already running, but is not responding. To use Firefox, you must first close the existing Firefox process, restart your device, or use a different profile.

However, if I close Firefox and then click the link again, Firefox will correctly open the link.

Asked by jpina452 11 hours ago

Suddenly Firefox created an extra empty window which cannot be closed

I guess it was the update to Firefox v. 86.0 here on Ubuntu that made Firefox create an extra empty window beside the session I always (re)open, which contains a large am… (read more)

I guess it was the update to Firefox v. 86.0 here on Ubuntu that made Firefox create an extra empty window beside the session I always (re)open, which contains a large amount of tabs. When I try to close the empty window Firefox gives a warning, that this will close my (many) tabs. That doesn't make much sense to me. And when another app, like Thunderbird, opens an URL, it is opened in the new empty window. I can add that I use some add-ons like Simple Tab Groups, Vertical Tabs Reloaded, AdBlock Plus and NoScript.

Asked by Henrik R. 1 hour ago