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Firefox Installer gives error "VCRUNTIME140_1.dll was not found"

I was cleaning out my hard drive and deleting old installs of Microsoft Visual Studio Redistributable packages, and I almost certainly deleted the one that Firefox relies… (read more)

I was cleaning out my hard drive and deleting old installs of Microsoft Visual Studio Redistributable packages, and I almost certainly deleted the one that Firefox relies on.

I then attempted to start Firefox, getting the error, "The code execution cannot proceed because VCRUNTIME140_1.dll was not found. Reinstalling the program may fix this problem."

I uninstalled, following the clean install directions, and deleting the "Program Files/Mozilla Firefox/" directory.

Then, I ran the Firefox Installer, newly downloaded, and when running it, it gives the same error, "The code execution cannot proceed because VCRUNTIME140_1.dll was not found. Reinstalling the program may fix this problem." Selecting "Restore Defaults" has no effect either way. The installer then appears to complete in the background, and the Firefox directory is created, along with the executable.

When I run Firefox.exe, it seems to load the program, but any address I type in fails to begin loading. This includes websites (www.google.com) and help/utility pages (about:config). I'm therefore unable to change any settings within Firefox.

I then tried re-installing the "Visual C++ 2008" and "Visual C++ 2015-2019" packages in an attempt to restore that DLL, but that had no effect after repeating the same steps above (clean uninstall, re-install). Which VC++ Redist Package should I be re-installing? Ideally, I should be able to just get a copy of VCRUNTIME140_1.dll and place it where Firefox is looking for it.

Asked by trevorawestphal 1 year ago

Answered by trevorawestphal 1 year ago

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I need to download an older version of firefox for macos 10.6.8

I was recently prompted to d/l the most recent V. of firefox for my old macbook running 10.6.8 and AFTER REPLACING the older V. I'm told the new V. won't run. I've tried … (read more)

I was recently prompted to d/l the most recent V. of firefox for my old macbook running 10.6.8 and AFTER REPLACING the older V. I'm told the new V. won't run. I've tried getting El Capitan from Apple but the d/l won't even start. Please help me!

Asked by joedee 3 years ago

Answered by James 3 years ago

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From where and how to download Firefox 52 ESR

I wish to download and install Firefox 52 ESR for a PC with Windows XP. But, I cannot download it on that WinXP PC. I must download it on another PC running Win 10. It sh… (read more)

I wish to download and install Firefox 52 ESR for a PC with Windows XP. But, I cannot download it on that WinXP PC. I must download it on another PC running Win 10. It should be an .exe (or somethng like that) file, which I can then transfer to the XP PC and run it to install FF 52 ESR.

If I try to download FF on the Win 10 PC, it downloads (I think) the version that is best for Win 10 PC. I do not see any place where I can specify that I want FF 52 ERS, and not the version for Win 10. That is the problem.

Please advise how I can do the above.

Thanks in advance

Asked by anild 3 years ago

Answered by James 3 years ago

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I am running Mac 10.7.5 - which version of Firefox do I need?

I have Mac 10.7.5 and I can't get a newer OS and I need to know which version of Firefox I need to download. Their old directory of files is extremely hard to navigate a… (read more)

I have Mac 10.7.5 and I can't get a newer OS and I need to know which version of Firefox I need to download. Their old directory of files is extremely hard to navigate and I don't know which one I need. Please help!

Asked by DeanRichards 3 years ago

Answered by James 3 years ago

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Restore previous version

I just updated Firefox and ended up with Quantum. How in the world can I get my previous version back, and get rid of Quantum? I have never been so disappointed in Firef… (read more)

I just updated Firefox and ended up with Quantum. How in the world can I get my previous version back, and get rid of Quantum? I have never been so disappointed in Firefox as I am right now. I never, ever would have clicked update if I knew I would end up with this.

Asked by Moxley 3 years ago

Answered by FredMcD 3 years ago

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How do you completely turn off update checks in Firefox 64?

I just updated to Firefox version 64 and noticed that you can no longer turn off update checks. The only available options are "Automatically install updates" and "Check … (read more)

I just updated to Firefox version 64 and noticed that you can no longer turn off update checks.

The only available options are "Automatically install updates" and "Check for updates but let you choose to install them".

I administer a public access computer lab and don't want "A new version is available!" popups to appear while our patrons are using our computers.

Is there a way to turn off update checking in this version of Firefox? Perhaps in about:config?

Asked by thelibrarytech 2 years ago

Answered by cor-el 2 years ago

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How do I migrate to a new computer saving all my settings and add ons etc in Firefoz

I use Windows 7 Home Edition and Firefox .What is the easiest way to transfer Firefox from my Old Computer to my New Computer saving all my ADD ONS ,SETTINGS AND FAVOURIT… (read more)

I use Windows 7 Home Edition and Firefox .What is the easiest way to transfer Firefox from my Old Computer to my New Computer saving all my ADD ONS ,SETTINGS AND FAVOURITES

Asked by Rob Winearls 6 years ago

Answered by FredMcD 6 years ago

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How do you remove all your bookmarks ?

I imported all my bookmarks from Internet Explorer 8 but not all of them came through. Then I exported the HTML file from IE and imported it into Firefox and all of them … (read more)

I imported all my bookmarks from Internet Explorer 8 but not all of them came through. Then I exported the HTML file from IE and imported it into Firefox and all of them came through but got added onto the initial (partial) list. How do I remove the partial list of bookmarks so that I can avoid duplication ? Or how do I delete all the bookmarks from Firefox in one go so that I can import again from the IE HTML file  ?Thanks.

Asked by Mayoite 7 years ago

Answered by jscher2000 7 years ago

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Where can I get an earlier version of Firefox (V51 or earlier)?

I have a particular piece of software which will not run on any version of Firefox later than V51. I need to be able to download an earlier version of Firefox (my current… (read more)

I have a particular piece of software which will not run on any version of Firefox later than V51. I need to be able to download an earlier version of Firefox (my current install is V55.0.2) Running Windows 10 64 bit

Asked by Spike57 4 years ago

Answered by cor-el 4 years ago

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I wish to rollback to my previous version of Firefox.

Since this new version got updated without my consent, i have lost my add-ons which annoys me greatly. I am getting pop-up adds again, where as the version i was running … (read more)

Since this new version got updated without my consent, i have lost my add-ons which annoys me greatly.

I am getting pop-up adds again, where as the version i was running previously they did not show up.

I had my old version customised just the way i like it, and i want it back. I am unphased about "bugs, glitches and security issues" as i trust my anti-virus to do its job. I would just like the version i had back the way i had it. This new version is not good and looks like google chrome, and if i wanted chrome, i would download it

Asked by reddy07 8 years ago

Last reply by philipp 7 years ago

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Where can I find a link to download Firefox version 52.9.0esr ?

I have Windows XP Professional English SP3 installed in an Oracle Virtual Machine. For some reason or another, Internet Explorer stopped browsing to pages having SSL (htt… (read more)

I have Windows XP Professional English SP3 installed in an Oracle Virtual Machine. For some reason or another, Internet Explorer stopped browsing to pages having SSL (https). I went to several web pages on the internet. They said this and that, but I managed to narrow it down to the SSL part. I recently received an update to Oracle Virtual Box, so that can also be the culprit. I also have another XP Professional English SP3 virtual machine with no additional software installed besides antivirus software, and in that machine, I had installed a pretty fresh version of Mozilla Firefox, so I tested it, and there was no problem at all surfing, but Internet Explorer refused to display the web page. This is why I would like to have a link to the above mentioned version of Firefox, as you stated in another thread that that particular version was the last one to be supported by Windows XP.


Thanks in advance! Thomas J. Ekman SWEDEN

Asked by Thomas J. Ekman 3 years ago

Answered by jscher2000 3 years ago

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How to downgrade Firefox version?

Is there an easy way to downgrade from Firefox 49.0.1 to 44? Or, do I need to remove Firefox and download again? I've been reading that the issues I'm having with the Se… (read more)

Is there an easy way to downgrade from Firefox 49.0.1 to 44? Or, do I need to remove Firefox and download again? I've been reading that the issues I'm having with the Selenium firefox webdriver work better with the version 44.

Asked by LLMills 5 years ago

Answered by Wesley Branton 5 years ago

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Transfer Firefox profile information to a new computer

I have a new computer and I had previously saved a backup of the files of my Firefox profile. I followed the steps in this article: https://support.mozilla.org/en-US/kb/b… (read more)

I have a new computer and I had previously saved a backup of the files of my Firefox profile. I followed the steps in this article: https://support.mozilla.org/en-US/kb/back-and-restore-information-firefox-profiles but it didn't work, none of my settings or bookmarks are in place. The backup profile had a different name so I copied the contents and I used the default profile that was created instead of creating a new one. Why didn't it work? Does it matter that I'm using the same profile from the backup on a different new computer as well?

Asked by qwigoqwaga 2 years ago

Answered by jscher2000 2 years ago