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Error message: A copy of Firefox is already open. But no other copy is open.

Using previous advice found for this problem here, I typed the following into Terminal. The results show I have three profiles, which I'll try to explain below. cd ~/Libr… (læs mere)

Using previous advice found for this problem here, I typed the following into Terminal. The results show I have three profiles, which I'll try to explain below.

cd ~/Library/Application\ Support/Firefox/Profiles/
ls -l

drwx------@ 41 abababab staff 1312 Jan 15 13:38 0kr25gzy.default-release drwx------@ 71 abababab staff 2272 Jan 15 13:20 8638osoq.default-1513387167461 drwx------@ 37 abababab staff 1184 Jan 16 13:57 k8u9jknd.default-release-1

I use Firefox as my business email and all was working fine until I upgraded Firefox using my Safari browser and created another login profile based on my personal email. That's when the error 'a copy is already open' began. To solve it, I did the above and had two profiles a 'default' and a 'default-release'. I believe I deleted the 'default', and the problem remained. Then I tried a reinstall, and I suppose that's the 'default-release-1' profile, but I really have no idea. The problem for me is that I need to import bookmarks, the business email account linked to Firefox and Host Gator, and all my LinkedIn, MailerLite stuff. I do not want to lose all this and just do a clean reinstall. However, now because I can't open any version of Firefox, I have no way to access the business emails, etc, so I can't recover the Firefox account linked to this business email and get all this stuff back. And I don't know which of the above three profiles I need to delete to get it all working again. Please help!!!

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Seneste svar af manuscripts for 33 minutter siden

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It became so UNBEARABLE that I sadly MUST stop using Firefox; AND RIGHT NOW!

Hello As others have said recently, Firefox has become unusually greedy in RAM! I love Firefox and it's been my favorite browser for years and years. But there it becam… (læs mere)

Hello As others have said recently, Firefox has become unusually greedy in RAM!

I love Firefox and it's been my favorite browser for years and years. But there it became unmanageable for me!

I'm absolutely not going to spend money to add more RAM to my PC tower, which is only three years old, and otherwise performs perfectly well for my use with all my other apps. There is 8 GB of RAM in my PC, a fast model of RAM, very fast, and expensive. You have to stop, guys, and face the truth! There is a real problem and there is no point in denying it, and saying that it takes more than 8 GB on a PC at the end of 2020.

The CONCRETE result is that we are all going to change the browser we use, it's super sad, and it is happening NOW. I don't want to change, but I have no choice. It's kind of heartbreaking for me, believe me.

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Besvaret af NoahSUMO for for 1 måned siden

Printing from one website only

When I try to print from one website only (www.si.com), I get a phantom page at the top overlaying part of the web page I want to print. It is there on every printed page… (læs mere)

When I try to print from one website only (www.si.com), I get a phantom page at the top overlaying part of the web page I want to print. It is there on every printed page of that website only. It does not happen on chrome, nor on any other website with Firefox. See attached example. I am running Windows 7 64 bit professional and FIrefox 84.0.2

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Seneste svar af jscher2000 for 3 timer siden

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Jagged lines appear horizontal in middle of screen when scrolling or watching videos on Youtube

Hi, I have a weird issue if I scroll with my mouse down a webpage I'll get these jagged horizontal lines in the middle of the screen but go away when I stop. Also, whe… (læs mere)

Hi, I have a weird issue if I scroll with my mouse down a webpage I'll get these jagged horizontal lines in the middle of the screen but go away when I stop. Also, when I watch a video where a lot of moving is happening like if it's a hockey game the middle of the screen just that jagged line across in just the middle. What causes this and how do I get rid of it I don't notice on Internet Explorer browser and I've tried disabling hardware and stuff but doesn't work.

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Besvaret af Yizee24 for 3 timer siden

pdf viewer jumps pages when returning to firefox window

I have a file open with firefox's inbuilt pdf viewer. I switch to a different window. When I return to firefox's window, on my first click anywhere on the text, firefox w… (læs mere)

I have a file open with firefox's inbuilt pdf viewer. I switch to a different window. When I return to firefox's window, on my first click anywhere on the text, firefox will instantly jump a few pages forward. This only started happening lately, and happens often but not always.

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bluebillywig

bluebillywig player bluebillywig.com name https://www.omroepgelderland.nl/nieuws/6719641/Scorende-Buitink-denkt-aan-vertrek-maar-blijft-het-liefst-bij-Vitesse movieplayer… (læs mere)

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Seneste svar af cor-el for 4 timer siden

Ramdomly high IO activity when watching video

It usually happens when I loading page or watching video on YouTube/ Bahamut Anime(ani.gamer.com.tw). When it occurs, the video still can play until the video cache empty… (læs mere)

It usually happens when I loading page or watching video on YouTube/ Bahamut Anime(ani.gamer.com.tw). When it occurs, the video still can play until the video cache empty, and after switching to another and switching back, the page becomes all white except a loading circle at the center. This situation takes about 3~5 minutes. I have tried refresh firefox, and disable all addons.

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Seneste svar af alex_mayorga for 4 timer siden

On screen Keyboard not working.

On screen keyboard not working when using Firefox. It will work with MS Edge, but not Firefox. It flashes then disappears quickly when in Firefox. It worked previously… (læs mere)

On screen keyboard not working when using Firefox. It will work with MS Edge, but not Firefox. It flashes then disappears quickly when in Firefox. It worked previously, but a few months ago it quit working.

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Seneste svar af alex_mayorga for 4 timer siden

firefox seems to be dying

Firefox stopped loading facebook a few weeks back and I've been using Edge for FB. Today Firefox gives "SEC_ERROR_BAD_SIGNATURE" for a large number of sites, including gm… (læs mere)

Firefox stopped loading facebook a few weeks back and I've been using Edge for FB. Today Firefox gives "SEC_ERROR_BAD_SIGNATURE" for a large number of sites, including gmail and all the google sites, while still working for other sites like BBC News. I get the impression that Firefox is being somehow "targeted"... I've used it for years, going back to its predecessors in the 90s and have resisted changing browser so far!

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Seneste svar af FredMcD for 5 timer siden

An error occurred during a connection to www.youtube.com. Peer’s certificate has an invalid signature. Error code: SEC_ERROR_BAD_SIGNATURE

An error occurred during a connection to www.youtube.com. Peer’s certificate has an invalid signature. Error code: SEC_ERROR_BAD_SIGNATURE … (læs mere)

An error occurred during a connection to www.youtube.com. Peer’s certificate has an invalid signature.

Error code: SEC_ERROR_BAD_SIGNATURE

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Seneste svar af FredMcD for 5 timer siden

Two monitors: Toolbar menus cut off

Hello! I am using Firefox on my notebook with external monitor. When the external monitor is set up as the main display and above the notebook monitor, the toolbar popup … (læs mere)

Hello!

I am using Firefox on my notebook with external monitor.

When the external monitor is set up as the main display and above the notebook monitor, the toolbar popup menus in Firefox are cut off on the notebook monitor (≡ & addons like uBlock etc.), so only a small upper part of them is displayed. The ≡ menu can be fully operated in this case because it has scroll bars, the addons' menus do not.

If the notebook monitor is set up as the primary monitor or is not below the external monitor, the problem does not occur.

Disabling all addons does not cause any change.

The problem does not occur with other browsers either.

Would appreciate some help!

Martin

Translated with www.DeepL.com/Translator (free version)

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Seneste svar af jonzn4SUSE for 7 timer siden

firefox out of disk space

I keep getting the message 'Firefox is running out disk space'. Now it seems it is out and I can't download anything. I went through the Firefox manage data suggestions,… (læs mere)

I keep getting the message 'Firefox is running out disk space'. Now it seems it is out and I can't download anything. I went through the Firefox manage data suggestions, emptied the cache. It didn't help. I on Windows 7 ASUS desktop.

What do I need to do?

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Seneste svar af jonzn4SUSE for 10 timer siden

Forbidden You don't have permission to access https://www.medischebanenbank.nl/ on this server.

I've used https://www.medischebanenbank.nl/ before but now I can't get access. I can still access it with google chrome and safari, but not with firefox 84.0.2 on my mac… (læs mere)

I've used https://www.medischebanenbank.nl/ before but now I can't get access. I can still access it with google chrome and safari, but not with firefox 84.0.2 on my mac with Catalina. I have cleared all history, used the 'forget about this site' on it. Deactivated all add-ons, tried safe mode....nothing. No VPN, proxy as far as I know. What can it be????

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Seneste svar af FredMcD for 15 timer siden

Why do Firefox and Wndows Task mgr show such different values/

Firefox (84.0.2 x64) has recently become a memory hog to the point where my system (W7) slows to a point where it is unusable. I do not wish to spend an entire day (or mo… (læs mere)

Firefox (84.0.2 x64) has recently become a memory hog to the point where my system (W7) slows to a point where it is unusable. I do not wish to spend an entire day (or more) troubleshooting in the hope that I can make go away a problem that didn't exist 1 month ago do so how can I roll back to an earlier release (say the one running in december last year) which did not have any of these problems?

I attach two screen prints from a laptop (W7 12GBRam) running one instance of firefox with maybe 20 open tabs Windows Task Mgr which shows Firefox with 9 processes using around 5GB with one process using 2GB Firefox task mgr which shows 25 tabs using a total of around 0.5GB

Clearly the info in the firefox taskmgr is rubbish - or rather not reporting the same thing!

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Seneste svar af allizom1 for 15 timer siden

Firefox gone nuts

Preface: Mac Hd replaced, OSX restored from Time machine backup. Prior to this every thing worked fine. Now: 1) FF TOOLBAR bookmarks have disappeared completely, but NOT… (læs mere)

Preface: Mac Hd replaced, OSX restored from Time machine backup. Prior to this every thing worked fine.

Now: 1) FF TOOLBAR bookmarks have disappeared completely, but NOT the bookmarks in the sidebar etc. 2) Despite clearing cookies, enabling them and clearing corrupt cookies - certain sites (FBook) do not load properly (they do in safari). (until corrupt cookies were cleared I couldn't even log in to Mozilla)

Tried: Returned to earlier profile, no help. All other aspects of OSX seem ok.

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