Firefox browser opens after clicking on link in email, but I cannot do anything in the browser

[zenzen]

This sounds like an issue caused by the package format used by either Firefox or Thunderbird, or both. Take a look at these threads for more details:

Firefox doesn't display with links from Thunderbird

Greetings - I was able to successfully install Zorin 17.1 the second time I tried but Firefox no longer exhibits anything when I click on a link from Thunderbird Email. The window comes up but it doesn't display anything. in the meantime, I've set Chromium as my default browser but I can't figure out what switch to throw in Firefox Settings to fix the linkage problem from Thunderbird. Opening Firefox on it's own works fine except one of my 2 step verification pages also fails to appear. Any i…

Thunderbird attachment drag and drop not working

Dear community, I know that this is not a Mozilla Thunderbird Forum, but perhaps it may be related. I have Zorin Pro 16.3 installed and thunderbird Supernova 115.2.2 installed. What should be simple is not. When I draft an email, and wish to place an attachment, I just can't. I absolutely need click on the attachment button, then locate the file in the nautilus file explorer, then click open. Very annoying. Has any of you encountered this problem? Related to Zorin? Thanks, Luc

Thunderbird no longer opens links in Firefox

After upgrading to Zorin OS 17 pro, Thunderbird is no longer able to open links using Firefox. I found some instructions online for setting the default browser but it didn't work. I also installed an extension called "open with" but that doesn't work either. Any idea how to fix this? Is it because FF is now a flack pak?