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Firefox won't start - Was previously OK

Hi All, I have only recently installed Firefox for a specific purpose, have no plugins installed, just the basic program with about 3 bookmarks, that's it. Was all workin… (læs mere)

Hi All, I have only recently installed Firefox for a specific purpose, have no plugins installed, just the basic program with about 3 bookmarks, that's it. Was all working OK until yesterday when it just wont boot. I have tried everything I can think of, so far:

Have tried removing (using app cleaner) and re installing - No joy

Tried going to profile manager through terminal - deleted and created profiles but still no joy

Tried deleting app again with app cleaner and reinstalling previous version - no go

Tried starting app in safe mode (shift key) - no go.

Looking for suggestions as I need to use Firefox for just 1 old website that seems to not work on anything else!

I'm running a Macbook pro Early 2015, Mojave 10.14.6

Stillet af soundengineer for 1 år siden

Besvaret af soundengineer for 1 år siden

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upgrade from 74 to 75 the browser won't go to any site. The lovely new big address bar shows up, but that's about it. Other browsers no problem.

So I generally keep Firefox up to date, letting the system manage itself, but this time I have had to disable this update. When I update, either through the automatic u… (læs mere)

So I generally keep Firefox up to date, letting the system manage itself, but this time I have had to disable this update. When I update, either through the automatic updates, or even from a fresh install of 75 (or beta 76) the browser starts, I see the lovely new address bar, albeit blank, and the browser just hangs right there. I can type in the nifty new bar, but nothing happens, no browsing to a site, no opening configs, nothing.

I have this issue on windows 7, 8 and 10 machines, so it's not an OS issue.

When an update does happen it chews up my profiles too and I have to end up rebuilding those. Only when I go back to 74 does Firefox work again.

I'm at a bit of a loss here.

Stillet af Mark C for 1 år siden

Besvaret af philipp for 1 år siden

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Firefox crashes. Couldn't load XPCOM. Clean reinstall didn't help

Firefox crashes. Couldn't load XPCOM. Clean reinstall didn't help. Scanned with antivirus - no malwares. Just found and deleted avery file\folder with "Mozilla" in it, cl… (læs mere)

Firefox crashes. Couldn't load XPCOM. Clean reinstall didn't help. Scanned with antivirus - no malwares. Just found and deleted avery file\folder with "Mozilla" in it, cleaned the regystry - no luck... please help me

Stillet af link_777 for 1 år siden

Besvaret af FredMcD for 1 år siden

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Blank screen, can not load websites, or view any firefox options (after vc runtime error) how to fix?

How it happened: 1. I installed Anaconda(python3.7) and Visual Studio 2015 (to get the required C++ for TensorFlow) 2. Decided to uninstall Anaconda and Visual Studio 20… (læs mere)

How it happened: 1. I installed Anaconda(python3.7) and Visual Studio 2015 (to get the required C++ for TensorFlow) 2. Decided to uninstall Anaconda and Visual Studio 2015 and restarted which is when firefox gave the error vcruntime140_1. dll was not found. 3. I downloaded and installed vc_redist.x64 and restarted 4. Firefox does not give an error anymore but no websites appear (just bank screen). I can see the firefox dropdown tab for options, but clicking options does nothing


What I've tried: 1. Uninstalled firefox using an uninstaller that removes residual files 2. Re-installing firefox 3. Running firefox in safemode and clicking 'restore' as well as trying it in safemode


Chrome is working with no issues, but I prefer firefox.

Stillet af meiica.resident for 1 år siden

Besvaret af meiica.resident for 1 år siden

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FF takes 2 or more min. to initially load in Win10 1903 (was worse in 1909), loads fast after

Have re-installed FF several times, no improvement in initial startup time. Often have to initiate as admin. 73.0.1 (32-bit) This HP Elitebook 840 G3 running Windows … (læs mere)

Have re-installed FF several times, no improvement in initial startup time. Often have to initiate as admin.

73.0.1 (32-bit)

This HP Elitebook 840 G3 running Windows 10 v 1903 64-bit. Have to be careful re-installing as FF wants to make my extensions in GERMAN! Are OK now (see attachment). Have test-removed AdGuard, NO difference, so added it back.

NOTE: screenshot is long out-of-date: AdNauseum removed long before this issue started

Stillet af xlcrlee for 1 år siden

Besvaret af xlcrlee for 1 år siden

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Version issue connecting Android to Firefox

Hi. I use Firefox from many years. Today I was trying to inspect a my web page which looks strange in my Firefox for Android but I just can't. In my desktop I have Firefo… (læs mere)

Hi. I use Firefox from many years. Today I was trying to inspect a my web page which looks strange in my Firefox for Android but I just can't. In my desktop I have Firefox 73.0.1 and in my Android phone I have Firefox 68.5.0. If I try to connect I get a message which tells to update Firefox from 68.5 to 71.0 (minimum supported version) but I can't find this version anywhere. I have installed Firefox Nightly for Developer in my phone but now the problem is that the version is too recent... What should I do?

Stillet af Marco for 1 år siden

Besvaret af cor-el for 1 år siden

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Firefox stops installing and says it was interrupted?

The installation progress bar stops at about 75% and then a message appears saying, ‘Hmm. For some reason, we could not install Firefox. Choose OK to start again’. BUT it… (læs mere)

The installation progress bar stops at about 75% and then a message appears saying, ‘Hmm. For some reason, we could not install Firefox. Choose OK to start again’. BUT it won’t start again and if I try to download from your website, the whole process happens again. This is very frustrating as many of the websites I use, are linked to Firefox. Please advise.

Stillet af Smike47 for 1 år siden

Besvaret af cor-el for 1 år siden

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Virus in distibutive - Trojan.Inject.bcbj

Hi all For security reasons, all new FF distributions are tested. When checking the distribution kit version 68.5.0esr (exe for x86 and x64) - the antivirus software "Vir… (læs mere)

Hi all

For security reasons, all new FF distributions are tested. When checking the distribution kit version 68.5.0esr (exe for x86 and x64) - the antivirus software "VirusTotal" detected Trojan.Inject.bcbj. FortiSandbox also scolded the distribution on x86 - saying that it deleted the file "% programfiles (x86)% \ google \ update \ 1.3.33.17 \ googlecrachhandler.exe" - its installation is undesirable in the ESR version.

Stillet af kittyfriend for 1 år siden

Besvaret af kittyfriend for 1 år siden

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Firefox error message: A required privilege is not held by the client.

I tried to open Firefox yesterday and got the following error message: Mozilla-Firefox 64bit. A required privilege is not held by the client. I uninstalled Firefox thinki… (læs mere)

I tried to open Firefox yesterday and got the following error message:

Mozilla-Firefox 64bit. A required privilege is not held by the client.

I uninstalled Firefox thinking that reinstalling would fix the problem but when I attempted to reinstall Firefox I got the same error message.

This is on a Windows 10 64bit machine.

Stillet af Eddie for 1 år siden

Besvaret af Eddie for 1 år siden

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How to open fresh install of Firefox when it tells you there is already a version open?

Hi, I have spent hours dealing with this issue. I hope someone is able to assist me. I ran into some issues with Firefox so I went to reinstall it but I am unable to ope… (læs mere)

Hi,

I have spent hours dealing with this issue. I hope someone is able to assist me.

I ran into some issues with Firefox so I went to reinstall it but I am unable to open it. I noticed even after uninstalling it it was still showing up when I do control/alt/del. I have tried to close it but it won't close. I have tried almost every option I can find online to force close it.

My issue is when trying to open my new version of Firefox I am told I have a version running and must close it.

I have tried to delete it I don't know how many times.

I am running Windows 10.

Is someone able to assist me? It would greatly be appreciated.

I hope someone can help me as this is getting very frustrating.

Thank you .

Stillet af gwshaw46 for 1 år siden

Besvaret af gwshaw46 for 1 år siden

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firefox crashes at startup

Overnight (I changed nothing, but microsoft rebooted my computer and I don't see any new files installed or updates) Firefox will not work. I can see it start up in task … (læs mere)

Overnight (I changed nothing, but microsoft rebooted my computer and I don't see any new files installed or updates) Firefox will not work. I can see it start up in task manager (two processes) but within 1 second both are gone. I've tried uninstalling and reinstalling firefox. Same problem. This is Windows 10 v 1909. Firefox will not start in safe mode. I cannot find any crash files (in the past month).

Stillet af Matt for 1 år siden

Besvaret af Matt for 1 år siden

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Dropdown Menus in Firefox Wont Stay Open

Recently I've been having trouble with the dropdown menus in Firefox, such as the History and Bookmarks menu in the tool bar and the right-click menu. Intermittently when… (læs mere)

Recently I've been having trouble with the dropdown menus in Firefox, such as the History and Bookmarks menu in the tool bar and the right-click menu. Intermittently when I open the menus they close within a second or two without me doing anything. This only happens in the Firefox window, all of my other apps and browsers are fine.

I'm running on a Macbook Pro with OSX 10.15.1 and Firefox 70.0.1. I've restarted Firefox and it fixes the problem for a short time then the problem returns. I've cleared my History, including Caches and Cookies, reinstalled Firefox, restarted my computer and tried disabling my add-ons. The issue keeps coming back.

Stillet af Lunar for 1 år siden

Besvaret af Lirui for 1 år siden

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current update prevents firefox from starting

After applying the current update, Firefox will not launch. It was set to run as administrator. However, after clicking YES to the Windows10 pop-up prompt to allow Fire… (læs mere)

After applying the current update, Firefox will not launch. It was set to run as administrator. However, after clicking YES to the Windows10 pop-up prompt to allow Firefox to run as administrator, the Windows 10 pop-up prompt keeps coming up and Firefox will not launch. I cannot uncheck the RUN AS ADMIN from the PROPERTIES window. Help please … ASAP!!

Stillet af vj000000 for 1 år siden

Besvaret af vj000000 for 1 år siden

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Firefox crashes

Firefox won't even start. I tried 'safe mode' but that didn't work either. I also tried to get the 'crash report' but I received a note indicating location not availabl… (læs mere)

Firefox won't even start. I tried 'safe mode' but that didn't work either. I also tried to get the 'crash report' but I received a note indicating location not available. When I try the install I get, 'Windows cannot access the specified device, path, or file. You may not have the appropriate permissions to access the item'.

Stillet af rpiz24112 for 1 år siden

Besvaret af rpiz24112 for 1 år siden

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<window id="main-window

Hello everybody, i have just finished a big long windows update and since then i cannot open the firefox browser. Even if i download a new firefox version i cannot open i… (læs mere)

Hello everybody, i have just finished a big long windows update and since then i cannot open the firefox browser. Even if i download a new firefox version i cannot open it: In the 2 instances, a window pops up with this message "<window id="main-window". Thank you for your time and your help. Patrick

Stillet af Pat777 for 2 år siden

Besvaret af cor-el for 2 år siden

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Firefox won't load pages

After Firefox updated to 67 it won't load any pages. Chrome and Opera both work normally. I went through all the recommendations including the firewall changes, disabli… (læs mere)

After Firefox updated to 67 it won't load any pages. Chrome and Opera both work normally. I went through all the recommendations including the firewall changes, disabling IPv6, etc. and there was no difference.

Stillet af stevemp for 2 år siden

Besvaret af stevemp for 2 år siden

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you auto updated and now I have lost all bookmarks and function of foxfire

Foxfire auto updated the program and it lost all bookmarks and even login. The result is I cannot do anything with my computer that needs the internet. I have spent man… (læs mere)

Foxfire auto updated the program and it lost all bookmarks and even login. The result is I cannot do anything with my computer that needs the internet. I have spent many hours trying the suggested fixes and I cannot get them back and I do not have my password so that I cannot change if for fear I will loose access to the bookmarks. There seems to be no accountability from Mozilla and no way to reach any one. Is anyone else having this problem.

Stillet af TerrelF for 2 år siden

Besvaret af jscher2000 for 2 år siden

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"Refresh" stopped app working and now get a message when I try open the app saying copy of forefoot is already open which it is not.

I like Firefox but sad to say that I have increasinlt wasted much time lately with its crashy ways and I made the mistake of using Refresh today. Now get a message when … (læs mere)

I like Firefox but sad to say that I have increasinlt wasted much time lately with its crashy ways and I made the mistake of using Refresh today.

Now get a message when I try open the app saying "copy of firefox is already open" which it is not true and it is not showing as running on the system.

I have tried reinstalling and it makes no difference.

I dont have an IT engineering degree but how do I fix this before I just give up and walk away? Thanks.

Stillet af exasperatedagain for 2 år siden

Besvaret af exasperatedagain for 2 år siden