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FF runs slow on my mac, just started recently

In the last few weeks FF has started running really slow. Launch takes 4-5 minutes, the browser won't navigate to any webpages. Preferences can't be opened. The force … (læs mere)

In the last few weeks FF has started running really slow. Launch takes 4-5 minutes, the browser won't navigate to any webpages. Preferences can't be opened. The force quit window show the app to regularly moving in and out of a "not responding" state. I had version 95.0.2 installed (the latest). I'm running OSX 10.15.7 (catalina). I uninstalled an reinstalled 95.0.2 and the same problem persisted. I downgraded to 94.0, and created a new profile in the process, and still had the performance problem. Chrome and Safari don't have the problem, and my machine is running as expected with all other apps. I don't have any sites load upon launch. I have 16G of RAM.

Since I can't open prefs, I can't purge caches or anything like that.

Stillet af simpson.rick for 1 uge siden

Besvaret af FredMcD for 1 uge siden

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why is FireFox 95 opening multiple windows on startup with Windows 10, Roboform, & Norton 360?

why is FireFox 95 opening multiple windows on startup with Windows 10, Roboform, & Norton 360? FireFox is set to open a new tab, not new windows, so I do not know why… (læs mere)

why is FireFox 95 opening multiple windows on startup with Windows 10, Roboform, & Norton 360? FireFox is set to open a new tab, not new windows, so I do not know why it is doing this? I see lots of people asking this question, but there is no guidance online. What is up? This is causing FireFox to use way too much resources, and slows the computer.

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Besvaret af FredMcD for 2 uger siden

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Firefox Fails to Start After the First Time

Firefox will start once (maybe) and then it makes no difference where I click from (tray, programs, desktop shortcut) Firefox refuses to boot up. I've tried re-installing… (læs mere)

Firefox will start once (maybe) and then it makes no difference where I click from (tray, programs, desktop shortcut) Firefox refuses to boot up. I've tried re-installing multiple times. If I reboot, it will start. Also sometimes I will get a New tab but the page/URL never comes up. Firefox just hangs. I'm running Windows 11.

Stillet af r1ch715 for 4 uger siden

Besvaret af FredMcD for 3 uger siden

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Boot up issue

Can you put one of those hourglass "wait" symbols to show on the next update because I never know if Firefox has booted or not and if you hit it again, it corrupts the ne… (læs mere)

Can you put one of those hourglass "wait" symbols to show on the next update because I never know if Firefox has booted or not and if you hit it again, it corrupts the next boot and wastes a bunch of time.

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Besvaret af FredMcD for for 1 måned siden

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Trying to open Firefox results in a blank window quickly opening and reclosing.

I just installed the Firefox browser using the installer on the official website. When I attempt to open Firefox, even as administrator, the window either quickly opens a… (læs mere)

I just installed the Firefox browser using the installer on the official website. When I attempt to open Firefox, even as administrator, the window either quickly opens and closes or doesn't open at all. I have no clue what is happening.

Stillet af grayhoang for for 3 måneder siden

Besvaret af grayhoang for for 2 måneder siden

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Firefox opens in tiny window after latest update.

Firefox opens in a small box at the top left of the computer screen about 1/9 the size of the viewing area. I have to click on the "maximize" icon (the square box(es)twi… (læs mere)

Firefox opens in a small box at the top left of the computer screen about 1/9 the size of the viewing area. I have to click on the "maximize" icon (the square box(es)twice to get a normal viewing screen. Note: I am not referring to "full screen." This began after the last Firefox update. I have cleared the cache, cookies, data, etc. and startup cache and restarted Firefox and the computer. I haven't "Refreshed" Firefox, yet, because I don't want to go through the hassle of putting everything back together if it isn't going to work. How do I get Firefox to open in a "maximized" window?

Stillet af Ché McGuire for for 7 måneder siden

Besvaret af FredMcD for for 7 måneder siden

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I have updated my O/S from Ubuntu 18.04 to 20.10. Nothing else. Now Firefox is nearly useless

This is basically a copy of what I put in the Ubuntu forum. The problem is the same, no matter where I post it. Originally I was using Ubuntu 18.04 LTS. I thought it woul… (læs mere)

This is basically a copy of what I put in the Ubuntu forum. The problem is the same, no matter where I post it.

Originally I was using Ubuntu 18.04 LTS.

I thought it would be good to update to GG (20.10) though I did briefly try FF (20.04).

As the install was done on an existing 18.04 version things remained the same for programs, book marks, etc.

Ok, now the crunch: I USE Firefox ""A LOT"". When it loads, there are...... 8 x 6 windows of FireFox and each of those have anywhere from one to ""THIRTY"" tabs loading.

Believe me: ""It worked!!""

I could use it, also run other tasks as well - though a VM was pushing it with the RAM. But the entire machine worked.

Now, I am lucky if FireFox loads at all. Let alone let me browse.

When it loads some of the window's tops are flashing. A screen shot does not really show this. (I tried)

All that has changed is the O/S from 18.04 and Firefox from (what ever it was) to 83.0

I don't want this to be a finger pointing exercise between Mozilla and Ubuntu. I would prefer it is helpful to all.

What have I tried? I've tried starting FireFox with all addons disabled. Still happens.

I am going to try to remember to (next time) launch FireFox from a Terminal and pipe the output to a file to look for things.

The machine I am using has shown it is well up to being able to have this running. I have had it working for a few years like this.

This post is (for now) to establish there is a problem. I will post more information when I get it, rather than waiting to get it then post, as I feel there are a lot of people who have very similar problems and I want it known: ""You are not alone!""


Now a bit of extra stuff.

Other things which are weird: When I am watching stuff - youtube for example - the playback is/WAS jerky. I hadn't touched anything in the settings.

After digging around, I discovered that I had to turn ""OFF"" the hardware acceleration for the graphics. Question: How did it get turned on? (Semi rhetorical)

I have a lot of local pages I open with passwords. When I load them the CPU load goes through the roof and nearly invariably the program just exits. No crash report.

Which is a good 50% of how it happens. The other 50% is the machine just locks up and I have to power it down.

Stillet af teeny_weeny for 1 år siden

Besvaret af teeny_weeny for 1 år siden

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Firefox and problem with Missing Profile - nothing helps

Hi, Huge problem here. My Firefox won't start. There is a message that Profile is Missing, but no solution from support helps. Itried to reinstall app, romove profiles, c… (læs mere)

Hi, Huge problem here. My Firefox won't start. There is a message that Profile is Missing, but no solution from support helps. Itried to reinstall app, romove profiles, copy profiles from time machine when the app was running, even profile manager doesn't start from terminal - it throw same error.

I dont have any idea what's wrong. Someone something? Please help me.

OSX 10.13.6

Stillet af maniex1 for 1 år siden

Besvaret af maniex1 for 1 år siden

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Firefox won't open, nor will Firefox Profile Manager

I'm not sure what I can do to fix the problem; the answer I've found uses the Profile Manager and I can't access it, it'll open for a split second then close again. … (læs mere)

I'm not sure what I can do to fix the problem; the answer I've found uses the Profile Manager and I can't access it, it'll open for a split second then close again.

Stillet af tommyhandley for 1 år siden

Besvaret af AMAN ARYAN for 1 år siden

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No window opens when Firefox is clicked on, but runs in the background for each time it is clicked. Cursor repeatedly flickers or spins after opening.

I work in IT and multiple users are having this same issue. It seems to have started at the same time about a week ago. When clicking on Firefox, no window opens and the … (læs mere)

I work in IT and multiple users are having this same issue. It seems to have started at the same time about a week ago. When clicking on Firefox, no window opens and the cursor begins to rapidly flicker or spin. There is no error message given. When checking Task Manager, there are multiple instances of Firefox running. Trying to "End Task" on each instance proves futile because it seems that they are constantly refreshing (which is probably why the cursor flickers). Trying to run the command "taskkill /f /im /firefox.exe" sometimes works and sometimes doesn't, even in Administrative mode. The only sure fire ways to get the cursor to stop flickering and/or close the program is to restart the machine or uninstall Firefox. However, if Firefox is clicked on again after restarting, it goes back to flickering and no window ever opens.

Things I've tried:

1. Using "End Task" in Task Manager

2. Running CMD and using taskkill /f /im /firefox.exe multiple times.

3. Restarting the machine.

4. Clearing ALL temp files from the machine.

5. Uninstalling and Reinstalling Firefox

6. Uninstalling, deleting Mozilla folders from Program Files, Program Files (x86), and Reinstalling

7. Checking to make sure Firefox is not blocked by the firewall or anti-virus.

8. Uninstalling, deleting Mozilla folders from Program Files and Program Files (x86), Deleting Profile data from AppData\Local\Mozilla\Firefox, then Reinstalling

Nothing seems to be working. Any ideas?

Stillet af CoNiGMa for 1 år siden

Besvaret af CoNiGMa for 1 år siden