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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… (read more)

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 .

Asked by gwshaw46 9 months ago

Answered by gwshaw46 9 months ago

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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… (read more)

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.

Asked by Mark C 5 months ago

Answered by philipp 5 months ago

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Firefox 78.0.1 hangs trying to access websites but other browsers can

I have been using firefox for years and am very happy with it. I have a Dell optiplex 7010 desktop. I am running Ubuntu 18.04.4 LTS. I do not have a firewall turned on.… (read more)

I have been using firefox for years and am very happy with it. I have a Dell optiplex 7010 desktop. I am running Ubuntu 18.04.4 LTS. I do not have a firewall turned on. Apparently, my desktop browser was updated to Firefox 78.0.1 (64-bit) on 7-1-2020. Since that time, I have been unable to access any websites from Firefox including mozilla.org. I am connected through WiFi. After downloading the Opera browser I have been able to access any website with no problems. I read community troubleshooting on this issue and tried various fixes including turning off IPv6. I read the community article about turning off my personal firewall. I was unaware of using any firewall so I installed Gufw Firewall 18.04.0. Running this program shows my firewall status is "OFF". I checked my AT&T modem and could not find any firewall settings that specifically mentioned Firefox. I would like to continue using Firefox since I use it on my phone and laptop also use it.

My laptop is a Dell Vostro 1520 running Ubuntu 18.04.2 LTS 64 bit. It also accesses the internet through the same WiFi. It currently has no problems loading web sites with Firefox version 78.0.1

Please help.

Asked by charles.goodrich 2 months ago

Answered by charles.goodrich 2 months ago

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Have had Firefox Aurora a couple weeks. worked very well. Now, will not update, and also unable to download latest version

Had Aurora about 6 weeks, Firefox Aurora about 2 weeks and was working very well. Then starting about a few days ago, unable to update and also unable to download latest… (read more)

Had Aurora about 6 weeks, Firefox Aurora about 2 weeks and was working very well. Then starting about a few days ago, unable to update and also unable to download latest version from the your site.

Only other browser I use is Opera. won't use Chrome, or Explorer. Firefox is no better, and Firefox works on my system, no better and I like being on Aurora and getting latest ....until now..since it won't update.

Again, I only use Opera and Firefox Aurora, no other browsers. Was going to try Safari, but the agreement language for Windows PC's from Apple, was very user unfriendly.

Asked by firefoxlousy 5 years ago

Answered by James 5 years ago

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Asks to install jave continually

Click on a web that needs java ... get the popup - activate plugin ... I agree Then it says Plugin out of date and takes me to Oracle site and downloads installer Run &… (read more)

Click on a web that needs java ... get the popup - activate plugin ... I agree Then it says Plugin out of date and takes me to Oracle site and downloads installer Run & install .... Start browser again .... go to site Tells me plugin is needed - install plugin ... I select yes Then get popup to 'run java runtime environment' I accept Then I get popup 'plugin not available' do I want manual install I select yes and it takes back to Oracle web site and it starts all over again.

Keeps going around the loop.

This is on PC version W64 sp1 Firefox ver 34.0.5

Asked by sargan 5 years ago

Answered by FredMcD 5 years ago

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how do recover my bookmarks after my computer was cleaned up and windows 10 reloaded?

a tech cleaned up my computer and reloaded windows 10 and firefox but gone are my bookmarks accumulated over the years. I have the old memory drive and maybe I could take… (read more)

a tech cleaned up my computer and reloaded windows 10 and firefox but gone are my bookmarks accumulated over the years. I have the old memory drive and maybe I could take it back to him but I need instructions cause he does not seem to know how to do this. Or maybe I can try on my own. I have some bookmark data backed up but it's not up to date and not in a format that seems to open up...I also did not see any way to import back on that external drive file. I'd prefer instructions to recover from old disk drive.

Thanks

Asked by crispy41 3 years ago

Answered by crispy41 3 years ago

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Failed to read configuration file

We are currently having to role back to FireFox ESR 52.9 from the latest Quantum build of FireFox 60.3.0. Due to the fact that this version utilizes WebGl 2. Our older sy… (read more)

We are currently having to role back to FireFox ESR 52.9 from the latest Quantum build of FireFox 60.3.0. Due to the fact that this version utilizes WebGl 2. Our older systems will not render one of the educational games we utilize in the our School District any longer due to the fact that Quantum uses WebGl 2 instead WebGl 1. We have tested and verified that ESR 52.9 renders the game properly.

I have been trying to disable the automatic update in utilizing the user.js file and the cfg file. The computers are apart of the domain. From what I have read only new user profiles will get the new user.js settings while all existing profiles will retain the old settings so we plan on reimaging these computers so all existing profiles will be wiped.

I have also seen users block the updates by changing the Host File which we will not do. Some sites state create a profile folder in the defaults folder other show place the user.js file in the pref folder. So I am lost at this point. I have followed this guide as well:

https://developer.mozilla.org/en-US/docs/Mozilla/Firefox/Enterprise_deployment_before_60#Changes_Over_Time

I have placed the 00_admin-prefs.js with the exact settings shown and have the mozilla.cfg file in the same folder as the js. both are in the defaults\pref

When trying to run FireFox I am am not getting:

Failed to read the configuration file. Please contact your Administrator. (I am the Admin). My domain creds give me admin privileges on all computers.

I know this folder also holds the channel-pref.js so I am not sure if I can add what I need to that file.

If someone would please help me determine what is going on. Why wont firefox copy the either a user.js file or utilize the cfg file I created to each new profile that gets created when logging into the computer.

Asked by fharris77 1 year ago

Answered by fharris77 1 year ago

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I am stuck using v 64.0.2, Firefox 65 is unuseable.

FireFox ver 64 works flawlessly, but v 65 will not run on my machine no matter what I have tried! Symptoms with v65: Intermittently does not start, hit icon again then lo… (read more)

FireFox ver 64 works flawlessly, but v 65 will not run on my machine no matter what I have tried!

Symptoms with v65:

Intermittently does not start, hit icon again then loads but doesn't connect. Very slow when it loads. firefox.exe does not unload from memory, has to be shut in task manager

What I have tried so far;

FireFox refresh. unstall / reinstall uninstall uBlock Origin sfc /scannowall uninstall Avast uninstall VPN Delete all firefox files on system disk + delete all registry entries then reinstall. Install from full version .exe Removed VPN (Private Internet Access) Updated Windows and any and all drivers.

What am I missing ?

TIA, George...


Windows 7 Pro MB: Asus P8Z77-V LK - Z77, Intel Ivy Bridge Intel i7-3770K @ 4.3Ghz Corsair Hydro Series High Performance Liquid CPU Cooler H60 32GB (DDR3-1600 DDR3 SDRAM) NVIDIA GeForce GTX 980 Ti 6GB

Asked by George 1 year ago

Answered by George 1 year ago

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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… (read more)

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.

Asked by kittyfriend 7 months ago

Answered by kittyfriend 7 months ago

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Thank you for breaking Firefox? - No more browser window, just a weird error (openSUSE Tumbleweed)

Well, I used to use the mozilla repo, encountered the issue, switched to the openSUSE repo (slightly older builds) where all worked and now the issue is back... After upd… (read more)

Well, I used to use the mozilla repo, encountered the issue, switched to the openSUSE repo (slightly older builds) where all worked and now the issue is back...

After updating all packages, Firefox no longer launches and instead I get the little Window shown in the attached screenshot.

I have zero idea why and how - though it does seem like someone didn't do their testing properly...

According to YaST2 this is Firefox 78.0.2-1.1-x86_64

The installed packages for Firefox are (all from "vendor OpenSUSE") MozillaFirefox MozillaFirefox-branding-upstream MozillaFirefox-translations-common

There is also the kmozillahelper for the Plasma Desktop. - zypper ref and zypper dup confirm that the system is up to date.

Asked by detlevcm 2 months ago

Answered by cor-el 2 months ago

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Failed to read the configuration file. Fresh install on windows 7

I have just downloaded and installed firefox on my windows 7 computer. No errors on the install. When I try to launch Firefox I get this dialog box. Configuratio… (read more)

I have just downloaded and installed firefox on my windows 7 computer. No errors on the install. When I try to launch Firefox I get this dialog box. Configuration Error - Failed to read the configuration file. Please contact your system

administrator.

Asked by Mikecl12 5 years ago

Answered by cor-el 5 years ago

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Ver.48 where is XPCOM????

downloaded Linux update ver.48 firefox. fires up - spits out XPCOM not found and terminates. ver.17 had similar problem. it could not find the libxpcom.so in firefox di… (read more)

downloaded Linux update ver.48 firefox. fires up - spits out XPCOM not found and terminates. ver.17 had similar problem. it could not find the libxpcom.so in firefox directory. ver.48 - xpcom is no where to be found.

Asked by Norseman01 4 years ago

Answered by Norseman01 4 years ago

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I have Firefox 55.0.3 (64 bit). When trying to install an add-on it downloads but gets stuck on verification. This happens on all add-ons.

Since upgrading to the latest version I am trying to find replacements for the newly disabled add-ons. I first tried this on Friday the 8th. The same problem has been hap… (read more)

Since upgrading to the latest version I am trying to find replacements for the newly disabled add-ons. I first tried this on Friday the 8th. The same problem has been happening all weekend including today and I imagine since I installed this version. The exact wording is downloading and verifying add-on.

Asked by ronsalma 3 years ago

Answered by FredMcD 3 years ago

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I have a computer with a 60G flash drive and i ned to transfer Firefox to E\ on the same computer how can i do this

Need to shift Firefox to another drive. I have a computer with a 60G flash drive as C\ drive and a 1TB E\ drive. When using Firefox the flash drive is at capacity which s… (read more)

Need to shift Firefox to another drive. I have a computer with a 60G flash drive as C\ drive and a 1TB E\ drive. When using Firefox the flash drive is at capacity which slows everything down so I need to reserve the C\drive foe widows Can I reinstall Firefox on the E\ drive and will it then use that drive. If so how can I load Firefox to the E\ drive as there appears no way of changing the drive when loading.

Asked by Leerx4 2 years ago

Answered by FredMcD 2 years ago

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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… (read more)

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.

Asked by stevemp 1 year ago

Answered by stevemp 1 year ago

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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… (read more)

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!!

Asked by vj000000 9 months ago

Answered by vj000000 9 months ago