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Firefox does not start

After a new clean installation Firefox will not start. It generates a crash report in C:\ProgramData\Microsoft\Windows\WER\ReportArchive AppCrash_firefox.exe_2dd4e427a29c… (read more)

After a new clean installation Firefox will not start. It generates a crash report in C:\ProgramData\Microsoft\Windows\WER\ReportArchive

AppCrash_firefox.exe_2dd4e427a29c7793432f8b232e348d43fa3ccf_b5a654c8_3fe69cd3-6f6e-4ee6-892f-f849836f0392

Can you help me to get Firefox starting?

Asked by giovanni.olanda 1 hour ago

Last reply by Seburo 25 minutes ago

Data Recovery

I was using Firefox as my default browser and had data like bookmarks, add-ons for everyday use, etc. but after I reinstalled windows and installed Firefox again I forgot… (read more)

I was using Firefox as my default browser and had data like bookmarks, add-ons for everyday use, etc. but after I reinstalled windows and installed Firefox again I forgot which email was link to my data as I had multiple emails logged in. Now I have tried 2-3 emails which didn't work in bringing my data back and I don't remember the password of my other emails, I can recover them by forgot password but I it says resetting password will clear history bookmarks, etc.| I can afford to loose history and saved passwords but is there a way I can get Firefox back to my configuration and add-ons, etc I was using previously?

PS: I do have windows.old file after windows installation-If it could help./

Asked by varunvora9898859131 1 day ago

Last reply by cor-el 13 hours ago

Computer died, Windows 10 and hard drives, must reinstall Firefox etc., want to restore previous tabs.

My 11-year-old PC (custom build, now running Windows 10) crashed badly (hard drives and Windows 10 were irretrievably broken), so I bought a new motherboard, etc. and in… (read more)

My 11-year-old PC (custom build, now running Windows 10) crashed badly (hard drives and Windows 10 were irretrievably broken), so I bought a new motherboard, etc. and installed a new OEM copy of Windows 10. I must reinstall almost all software, including Firefox. The old C: drive SSD is intact. After I install Firefox on the new machine, how can I restore the tabs from the last Firefox session?

Asked by AlanF00 4 days ago

Last reply by jscher2000 15 hours ago

Can not install Firefox

Firefox disappeared from my computer late Sunday night. I have not been able to reinstall it. After downloading the installer the process seem to proceed okay at first. B… (read more)

Firefox disappeared from my computer late Sunday night.

I have not been able to reinstall it.

After downloading the installer the process seem to proceed okay at first. But the progress bar stalls at about 95%. Then the installer sends a message that says something like installation failed.

Please help me.

I have been using Firefox for a decade: I have never had this problem.

I am running Windows 10 on a HP Desktop.

Asked by mikeincousa 2 days ago

Last reply by FredMcD 1 day ago

Still Cannot Install Firefox

First Reference this thread: ​From: Mozilla Support Forum <no-reply@support.mozilla.org> Date: Tue, Oct 26, 2021 at 5:54 AM Subject: FredMcD posted an answer to yo… (read more)

First Reference this thread: ​From: Mozilla Support Forum <no-reply@support.mozilla.org> Date: Tue, Oct 26, 2021 at 5:54 AM Subject: FredMcD posted an answer to your question "Can not install Firefox"

Second: Computer- System Model HP Pavilion Desktop PC 570-p0xx

Third. The above referenced email is well above my skill level. i think the essence of it is that I need to use the mentioned, best as I can tell, installers.

Besides the path I described in my last request I have tried these installer: Firefox Installer.exe Firefox Setup 78.15.0esr.exe Firefox Setup 93.0.msi

I could not get above to start at all.

With that I tried another run at the download in your promotion. Like before the progress monitor stopped just short of the finish.

Please let me know what I am doing wrong in simple terms and / or if I need to take other measures.


Thanks for a quick response.

Asked by mikeincousa 1 day ago

Last reply by FredMcD 1 day ago

I have used Firefox off and on for several years, but I would like to find a way to delete all my data on all my devices that I have signed into. Then install Firefox and make it like I have never used itl

I want to start fresh with a new install of Firefox , like it is the first time I have ever installed it. I do not want to refresh, because I will be getting my previous … (read more)

I want to start fresh with a new install of Firefox , like it is the first time I have ever installed it. I do not want to refresh, because I will be getting my previous data.

Asked by fred04276 2 days ago

Last reply by cor-el 2 days ago

Tried 5 times to download Firefox Each time get the message in a box " 7zip can not create temp folder archive" This is not helpful.

Tried 5 times to download Firefox Each time get the message in a box " 7zip can not create temp folder archive" when I attempt to execute the .exe file This is not help… (read more)

Tried 5 times to download Firefox Each time get the message in a box " 7zip can not create temp folder archive" when I attempt to execute the .exe file This is not helpful. What is this "temp folder archive" and where is it???

William Hughes.

Asked by whu9758106 2 days ago

Last reply by cor-el 2 days ago

vcruntime140_|.dll

after removing office 15 likest lost the file and ff would not work. I was able to locate legitimate file, but have no idea where to place. any one help with were to … (read more)

after removing office 15 likest lost the file and ff would not work. I was able to locate legitimate file, but have no idea where to place. any one help with were to place the file and how,. thanks very much for any help you may have:)

Allen

Asked by allen-tina 2 days ago

Last reply by TyDraniu 2 days ago

How to Restore deleted Firefox Profile

Help please! I'm not tech savvy and I accidentally deleted my Firefox profile. I was trying to fix my Firefox high CPU issue and followed the advice below. I didn't r… (read more)

Help please! I'm not tech savvy and I accidentally deleted my Firefox profile.

I was trying to fix my Firefox high CPU issue and followed the advice below. I didn't realize deleting my profile would mean losing everything. Is there a way to restore my old profile? I didn't delete the files from my old profile.

I would greatly appreciate any advice to help fix this. I'm on Windows 10 Pro. Thank you!

"Run" command: firefox.exe -P I deleted my only profile “default” I choose “Don’t delete files” Then I created a new profile

Asked by Mia 4 days ago

Last reply by FredMcD 3 days ago

Installation Issues

Hi I am trying to install FireFox onto my Macbook Air 10.14.6, and despite following the downloading steps on the website I can't seem to access it. I keep getting this i… (read more)

Hi I am trying to install FireFox onto my Macbook Air 10.14.6, and despite following the downloading steps on the website I can't seem to access it. I keep getting this image pop up, but when I tried to drag FireFox into my Applications folder, nothing changed. How do I install this?

Asked by rubysisler 5 days ago

Last reply by cor-el 5 days ago

Transfer of Local Folders

I have just bought a new laptop and followed the directions to copy my profile across. It did not copy or transfer my local folders though. I have seen some old threads… (read more)

I have just bought a new laptop and followed the directions to copy my profile across. It did not copy or transfer my local folders though. I have seen some old threads about this but need it broken down very simply please as I am zero technology geek

Asked by Chanelle 1 week ago

Last reply by TNorth 6 days ago

Firefox suddenly saving Audible files as mpeg4 video files instead of aax

For some reason when downloading audiobooks from Audible, the download window in Firefox is categorizing the files as mpeg4 (video) files using the .mp4 file extension. H… (read more)

For some reason when downloading audiobooks from Audible, the download window in Firefox is categorizing the files as mpeg4 (video) files using the .mp4 file extension. However, unlike audio .mp4 files, Firefox is encoding them as VIDEO .mp4 files. The files do not open in iTunes nor media player as (obviously) they aren't actually video files.

The files download properly as .aax files in Safari and Chrome so this is a Firefox issue and a recent one at that; thus, it could be related to the recent Version 93 update. There are a few others who have mentioned this issue in the community forum, but as far as I can tell no one at Mozilla has actually addressed the issue or offered help.

Yes, you can change the file extension to .aax once downloaded and it opens fine. The point is that there is no discernible reason the files should be categorized as video files in the first place, and since this function has been working for years until recently this seems like a bug the Mozilla team should fix.

Asked by fidele1922 6 days ago

Last reply by cor-el 6 days ago

Can I operate my windows 10 PC with 93.0 (64-bit) and 52esr concurrently?

I have security cameras set up outside the house and I need D-Link programming to operate them through my windows 10 PC and they claim that to operate them I would need 5… (read more)

I have security cameras set up outside the house and I need D-Link programming to operate them through my windows 10 PC and they claim that to operate them I would need 52ESR to make the program work. My question is can I download 52ESR and still have 93.0 (64bit) on my computer. I know it sounds a rather silly question, but the cameras are on 24hour record and that would mean that 52ESR would be running 24 hours a day and I am currently using 93.0 for my daily needs. I am just an old fogey trying to get along and any help would be greatly appreciated. Thanks in advance. Vince

Asked by vincec44 6 days ago

Last reply by FredMcD 6 days ago

no trace of logins.json on update

Have update from 89.0.2 to 93.0 today, and like many others it seems been caught out by the assurance that passwords & logons would automatically be transferred. I've… (read more)

Have update from 89.0.2 to 93.0 today, and like many others it seems been caught out by the assurance that passwords & logons would automatically be transferred. I've found the advice about copying key4.db & logins.json from the Old Firefox data folder that has appeared on my desktop. The problem is I can see key4.db but there is no trace of logins.json. I have show hidden files enabled. Have tried searching the folder and still got no trace. NB there was also no logins.json in new profile folder until I created an account for this support posting, although I realise it may not create until a log on is saved.

The issue is the missing passwords are computer generated and only saved in my firefox browser, and there were definitely some saved with usernames etc.

I noticed a comment that logons.json is a text document. I only have 4 of those - AlternateServices, pkcs11, SecurityPreloadState & SiteSecurityService State. I assume none of these could be logins under a different name?

Asked by krffji 2 weeks ago

Last reply by mr.speedlight 6 days ago