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Firefox will not load any web pages, including its internal pages, even after clean reinstallations.

About a month ago, Firefox stopped loading web pages on my Windows 10 Lenovo Flex 14-IWL computer. The UI loads without any issues. However, no pages can be loaded, inclu… (read more)

About a month ago, Firefox stopped loading web pages on my Windows 10 Lenovo Flex 14-IWL computer. The UI loads without any issues. However, no pages can be loaded, including Firefox's own pages like "about:preferences" or "about:performance." I completely removed all traces of Firefox from the computer twice (using Revo Uninstaller's advanced mode), but the problem remained after each reinstallation attempt. On the second of those reinstall attempts, I checked the Console after trying to load one of those control pages and found the error messages shown in the attached screenshot. What is happening, and how can I get Firefox working again?

(Note: Since I have completely uninstalled Firefox again since taking this screenshot, there is no troubleshooting data to send.)

Asked by tomus.wat 2 months ago

Last reply by FredMcD 1 month ago

  • Solved

Cannot Surf Web on Firefox

Recently I have been unable to surf the web on my Firefox Browser. I have tried uninstalling and reinstalling it a few time to no avail. I have checked my Firewall settin… (read more)

Recently I have been unable to surf the web on my Firefox Browser. I have tried uninstalling and reinstalling it a few time to no avail. I have checked my Firewall settings and Firefox is not blocked. I know other browsers work as I am sending this through Edge.

I checked my event viewer and found that Firefox was being denied access (see attached pic). Any suggestions to get this resolved would be welcome.

Asked by andrematti83 1 month ago

Answered by andrematti83 1 month ago

  • Solved

Firefox doesnt work and any page cannot be opened

i was clearing my PC from unused programs apps and i deleted files named on MICROSOFT VISUAL And anything stop loading please help me fix the problem i have dark theme an… (read more)

i was clearing my PC from unused programs apps and i deleted files named on MICROSOFT VISUAL And anything stop loading please help me fix the problem

i have dark theme and when i typing anything in search the page is basic dark and nothing appears

Asked by shiyanartur2007 2 months ago

Answered by FredMcD 2 months ago

  • Solved

Firefox starts, but cannot open any Page

Firefox on a Windows 10 (Build 19042.1052) that It starts and seems to run without hanging or crashing. I can enter an url, but it doesn't do anything. The Viewport just… (read more)

Firefox on a Windows 10 (Build 19042.1052) that

It starts and seems to run without hanging or crashing. I can enter an url, but it doesn't do anything. The Viewport just stays white. Also nothing happens if clicking on a bookmark. Or the settings. I was able to open the about:support page via the menu, but not by entering it into the adress bar.

Here are the things that I already tried to no avail: - updated to the latest version - Incognito mode - Troubleshoot mode - graphics card driver is up to date - reinstallation - Cleaning Firefox - delete firefox profile - clearing the start cache - downgrade to version 88.0.1

It is weird, that the about:support page works when opened from the menu but not when entered into the adress bar, right? This means that content can be displayed, but you cannot navigate to it via the address list. But then why don't bookmarks work either?

By the way: It is not a network Issue. Chrome and Edge work, and also the problem persists across multiple different networks.

Asked by stephan.graf 3 months ago

Answered by TyDraniu 3 months ago

  • Solved

VCRUNTIME140_1.dll

Bonjour, Suite à la dernière mise à jour de Firefox, j'ai sans cesse le message d'erreur VCRUNTIME140_1.dll introuvable. Conseil de réinstallation de l'application etc. J… (read more)

Bonjour, Suite à la dernière mise à jour de Firefox, j'ai sans cesse le message d'erreur VCRUNTIME140_1.dll introuvable. Conseil de réinstallation de l'application etc. J'ai beau faire une désinstallation complète et un nettoyage puis une réinstallation, rien n'y fait. J'ai toujours le même message depuis plusieurs jours. Et c'est énervant ! Je suis obligé de naviguer sur Edge et je n'aime pas du tout. Merci de m'aider. Bonne journée. Philippe

Asked by Jésus est un hyppie 3 months ago

Answered by cor-el 3 months ago

  • Solved

Installation under W10/64 not working

Installation in German language under W10 Home 64bit. VCRUNTIME140_1.dll not found, installation interrupted. Firefox seems to be installed, but totally unresponsive (no … (read more)

Installation in German language under W10 Home 64bit. VCRUNTIME140_1.dll not found, installation interrupted. Firefox seems to be installed, but totally unresponsive (no files, no websites, not even parameters). Any known measures? Thanks!

Asked by otto.schulz 3 months ago

Answered by TyDraniu 3 months ago

error "VCRUNTIME140_1.dll was not found" occurs when Office 365 is uninstalled, lost bookmarks

I am having issues with activation of an existing O365 subscription. After hours working with Microsoft Office support the issue is still not resolved. That is seemingly… (read more)

I am having issues with activation of an existing O365 subscription. After hours working with Microsoft Office support the issue is still not resolved.

That is seemingly unrelated to Firefox, yet when trying to resolve the issue I uninstalled O365 twice, I could not open Firefox. I received the error "VCRUNTIME140_1.dll was not found". After reinstalling O365, I was able to access Firefox but all of my bookmark folders are gone.

How do I recover those bookmark folders (with hundreds of bookmarks--if they're permanently gone, it will be a significant loss). AND why would uninstalling O365 affect Firefox?

Asked by PogoStick99 3 months ago

Last reply by cor-el 3 months ago

  • Solved

VCRUNTIME140_1.dll not found

Following a Windows 10 update, I tried to open Firefox and the following popup message appeared. "the code execution cannot proceed because VCRUNTIME140_1.dll was not fou… (read more)

Following a Windows 10 update, I tried to open Firefox and the following popup message appeared. "the code execution cannot proceed because VCRUNTIME140_1.dll was not found. Reinstalling the program may fix this problem." I have tried several times to download the latest version of Firefox, but during it's installation the same error message appears. How can I fix this problem and get Firefox to work normally.

Asked by dkirk1 3 months ago

Answered by FredMcD 3 months ago

  • Solved
  • Locked

Nothing Loads on Firefox after uninstalling Mozilla VPN

I tried Mozilla VPN but it would never connect. So I uninstalled and cancelled. Then I got a persistent vcruntime140.dll not found error. I uninstalled iTunes and legac… (read more)

I tried Mozilla VPN but it would never connect. So I uninstalled and cancelled. Then I got a persistent vcruntime140.dll not found error. I uninstalled iTunes and legacy Microsoft Visual Suite apps. Now nothing will load. Not about pages. Not password pages. Not websites. Nothing. Have uninstalled and refreshed Firefox multiple times. Have restarted PC multiple times. Have turned off firewall and virus protection. Nothing works. nothing loads. Thanks for your thoughts!

Asked by john.brady 4 months ago

Answered by cor-el 4 months ago

error installing firefox 88.0q

when i try to reinstall firefox 88.xx i get error that vcruntime140_.dll is running or something, and install will not finish.l HELP natalie [Personal information removed… (read more)

when i try to reinstall firefox 88.xx i get error that vcruntime140_.dll is running or something, and install will not finish.l HELP

natalie

[Personal information removed by moderator. Please read Mozilla Support rules and guidelines, thanks.]

Asked by grabbit97 4 months ago

Last reply by cor-el 4 months ago

  • Solved

Unable to open my Firefox prop

I am unable to open my Firefox on my computer because I receive a message saying that my computer cannot find the following file: vcruntime140_1.dll. I have tried uninsta… (read more)

I am unable to open my Firefox on my computer because I receive a message saying that my computer cannot find the following file: vcruntime140_1.dll. I have tried uninstalling Firefox, and the reinstalling Firefox. This did not solve the missing file problem. I have tried re-installing Firefox. This did not solve the problem. The file is still missing. When I click on my Firefox App, all I get is a blank screen. I am unable to use Firefox. This computer uses Windows 10 with a 64 bit. I have several other computers, with Firefox installed, and I do not have this problem on any other computers using either Windows 10, Windows XP, or with a recent version of Linux. What procedure can I follow to restore this missing file to this computer? Your help would be greatly appreciated. I have some knowledge of computers, but I lack technical knowledge. Any help you can give will be deeply appreciated. Thank you

Asked by TEQUILA1 4 months ago

Answered by jscher2000 4 months ago

  • Solved

Nothing but white windows in Firefox for 2 weeks

I have very much came to depend on Firefox. I've tried everything mentioned to users with same problem. Even Passwords and Settings have white windows (no text or anyth… (read more)

I have very much came to depend on Firefox. I've tried everything mentioned to users with same problem. Even Passwords and Settings have white windows (no text or anything else showing. When I reinstall Firefox I get vcruntime140_1.dll error. How can I fix it? I have the latest update.

While writing this I went back to double check the vcruntime140_1.dll install. I found it wasn't on the main Mozilla Directory - so I copied it. And now Firefox works! The file came from https://www.dll-files.com/. I don't need any further assistance.

Just leaving this as a record for others who may be having a hard time.

Thanks Mozilla for all you do!

Asked by Gerald 5 months ago

Answered by cor-el 5 months ago

  • Solved

Firefox 87 suddenly won't start. Error Msg: The code execution cannot proceed because VCRUNTIME140_1.dll was not found.

How do I fix this? Firefox won't start (it did a few days ago). Version 87 running on Windows 10. Error Msg: The code execution cannot proceed because VCRUNTIME140_1.dll… (read more)

How do I fix this? Firefox won't start (it did a few days ago).

Version 87 running on Windows 10.

Error Msg: The code execution cannot proceed because VCRUNTIME140_1.dll was not found.

There is a file: VCRUNTIME140.dll in the C:\Program Files\Mozilla Firefox folder.

I reinstalled Firefox but that didn't help.

Asked by RacerRon 5 months ago

Answered by TyDraniu 5 months ago

  • Solved

no display & no options

web pages don't display but address is shown at tabs, can't see options but other menu options seem to be okay. I uninstalled and erased all related data (I could find) m… (read more)

web pages don't display but address is shown at tabs, can't see options but other menu options seem to be okay. I uninstalled and erased all related data (I could find) multiple times and reinstalled multiple times but problem remains. I tried refresh, safe mode, etc. At installation I get error VCRUNTIME140_1.dll not found, a susequent installation finishes without errors. I am sending this from another system because I can't use the problem unit for this post. The problem system is similar to this one. I am puzzled and seek help.

Asked by tregxoferif 5 months ago

Answered by tregxoferif 5 months ago

  • Solved
  • Archived

Nothing Loading Within Firefox Application

When opening Firefox, a window opens with menus and toolbars visible, but nothing loads or opens up when navigating the application. No websites are loading, no menus ar… (read more)

When opening Firefox, a window opens with menus and toolbars visible, but nothing loads or opens up when navigating the application. No websites are loading, no menus are opening such as options or add-ons, and not even the mozilla landing page is loading. I have tried doing a "Refresh". I have tried doing a clean reinstall. I have run virus scans to see if malware was preventing it from opening websites. I am having no issues with other browsers, just Mozilla Firefox. I am unsure what to do if even a Firefox reinstall is not working. The application wont even let me enable/disable add ons to see if that may be causing the problem.

Asked by csioufi3 6 months ago

Answered by cor-el 6 months ago

  • Solved
  • Archived

Unable to install Firefox

I uninstalled Libre Office and it apparently uninstalled the VCRUNTIME140_1.dll file s part of its uninstall process. From this point Firefox would open but would not co… (read more)

I uninstalled Libre Office and it apparently uninstalled the VCRUNTIME140_1.dll file s part of its uninstall process. From this point Firefox would open but would not connect to the Internet, either by clicking one of the links in the toolbar or typing the address directly. I have tried all the solutions I can find on the support pages, ranging from attempting to copy the file from another location to re-installing Visual C++ from the Microsoft website, both the 64 bit and the x86 versions. Having found and installed the latest version of Visual C++ I now get the error message "The procedure entry point _CxxFramehandler4 could not be located in the dynamic link library C\WINDOWS\SYSTEM32\MSVCP140.dll" at the edn of the installation process, and of course Firefox has not installed. Any suggestions for a way forward?

Asked by tkrd13 11 months ago

Answered by FredMcD 11 months ago

  • Solved
  • Archived

Installation issues

I am trying to re-install Firefox but seems never to complete the installation. It does not open any websites and does not appear to connect to the internet. Also, I rece… (read more)

I am trying to re-install Firefox but seems never to complete the installation. It does not open any websites and does not appear to connect to the internet. Also, I receive a message that the file VCRUNTIME_1.dll is missing; however, when attempting to download the file, it tells me the file is already installed.

Asked by Brockton 7 months ago

Answered by FredMcD 7 months ago

  • Solved
  • Archived

Firefox won't load any pages

I tried to install the Snapchat filters after watching "Cat Lawyer" - and I got a VC++ Runtime error. Firefox stopped loading too with the same error. I removed the Sn… (read more)

I tried to install the Snapchat filters after watching "Cat Lawyer" - and I got a VC++ Runtime error. Firefox stopped loading too with the same error.

I removed the Snapchat filters app; repaired the VC++ Runtime error in add/remove programs - and now I see the symptoms as follows:

1. Launch Firefox from FF Icon.

    a) Bookmark clicks do nothing.  
    b) Type in a URL and nothing happens.

2. Launch Firefox from a ZOOM meeting link (and presumably other links) works - the page loads. And , once I have done that , the firefox browser works normally.

I can probably just uninstall/reinstall - but if anyone knows how to solve this I'd rather not lose all my saved pwd and history.

Running: MS Surface, Windows 10.


Mike

Asked by mike402 7 months ago

Answered by mike402 7 months ago