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I "upgraded" to Catalina from High Sierra and Firefox now crashes and won't reopen because it says I already have another copy open when there is not other copy

Catalina (10.15.3) and Firefox (73.0.1) aren't working together. As soon as I stop actively using Firefox it crashes. If I try to reopen it, I get a message that I can… (read more)

Catalina (10.15.3) and Firefox (73.0.1) aren't working together. As soon as I stop actively using Firefox it crashes. If I try to reopen it, I get a message that I can't reopen it because there is a copy in use already. If I try to force quit Firefox it is not in the force quit menu. If I look in Activity Monitor Firefox is not present there either. Thank you.

Asked by BLNK 3 months ago

Last reply by Roland Tanglao 2 months ago

Why I can not open firefox when it have a new update.

More than 3 years I start firefox with a command line, "rm -rf /Users/mr.suradetc./Library/Caches/Mozilla/updates/Applications/Firefox/updates/;/Applications/Firefox.app/… (read more)

More than 3 years I start firefox with a command line, "rm -rf /Users/mr.suradetc./Library/Caches/Mozilla/updates/Applications/Firefox/updates/;/Applications/Firefox.app/Contents/MacOS/firefox". I have been updated mac os x from Sierra , High Sierra,Mojave and now Catalina but every os, I still got the same problem.

Asked by surdet 3 months ago

Last reply by FredMcD 3 months ago

Issues when opening links from different applications.

When opening a link from a different application, like slack, the keyboard shortcuts like new tab and refresh do not do anything, and the left click menu is empty except … (read more)

When opening a link from a different application, like slack, the keyboard shortcuts like new tab and refresh do not do anything, and the left click menu is empty except for the snapshot button.

This only seems to happen if firefox is not already open and the clicking of the link opens firefox.

Asked by Robert 3 months ago

Last reply by FredMcD 3 months ago

I am getting very tired of having to log in to Firefox *EVERY* *SINGLE* *FREAKING* *TIME* I reopen the browser on my new MacBook Pro - HELP!!!

Every time I open Firefox it brings up a screen as if I am a brand new user starting out for the very first time. The disk image in my downloads folder has long since be… (read more)

Every time I open Firefox it brings up a screen as if I am a brand new user starting out for the very first time. The disk image in my downloads folder has long since been deleted, so I'm pretty sure it's not running from that. I went and looked at "application binary" and it gave me a headache, plus there was no indication in the prior "support" replies of what the changes I might or might not observe therein would mean, so I was unmotivated to keep turning Firefox off and on and then checking to see if any of the characters in the very long text string had changed. I seem to have about 10 profiles, none of which have been created by me on purpose. I tried opening a couple of them, and got messages about various updates Firefox wanted to perform, but none of the opening screens had my information loaded. I've just lost a half hour of my life down this rathole this morning, and I still haven't gotten around to completing the search which was the reason I opened Firefox this morning in the first place. Imma have to go back and use Safari I guess, since Safari isn't suffering from "Susan Amnesia"

Asked by Susan Knowles 3 months ago

Last reply by cor-el 3 months ago

Why won't Firefox open at all?

Firefox updated yesterday and ever since then it will not open at all. I am running the latest macOS on a MacBook Air. It just bounces on the Dock once then doesn't open … (read more)

Firefox updated yesterday and ever since then it will not open at all. I am running the latest macOS on a MacBook Air. It just bounces on the Dock once then doesn't open at all. I have tried uninstalling and reinstalling AND I even tried to downgrade back to 70.0.1 and it STILL didn't work. It won't even open in Safe Mode.

Asked by kanegaroo89 4 months ago

Last reply by FredMcD 4 months ago

  • Archived

Firefox crashes

Both latest Firefox and Thunderbird fail to open and show crash report just after initialization with macOS Catalina Version 10.15 Beta (19A526h). I can not operate Firef… (read more)

Both latest Firefox and Thunderbird fail to open and show crash report just after initialization with macOS Catalina Version 10.15 Beta (19A526h). I can not operate Firefox in Safe Mode because it crashes whenever I try to start it.

Asked by paulhem 9 months ago

Last reply by cor-el 9 months ago