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After months of no issues on new Desktop, Firefox will no longer open any web pages but other browsers will

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  • Èsì tí ó kẹ́hìn lọ́wọ́ FredMcD

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I have uninstalled, done cleanup of orphan/widow files with CCleaner and Glary Utilizes, shut down and reinstalled Firefox with no success. No web pages can be opened. I have Windows 10.

I have uninstalled, done cleanup of orphan/widow files with CCleaner and Glary Utilizes, shut down and reinstalled Firefox with no success. No web pages can be opened. I have Windows 10.

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Reinstalling Firefox brought up message Firefox.exe - System Error The code execution cannot proceed because VCRUNTIME140_1.dllwas not found. Reinstalling the program may fix this problem. So, it may be finding a way to install that dll and have Firefox read it?

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We do not recommend using other programs to clean Firefox because they could corrupt the files. Also, the browser can clean itself.


Let’s do a full clean re-install;

Note: Firefox comes in three or more folders on all computers. They are;

Maintenance: (Programs Folder) <Windows Only> Firefox itself: (Programs Folder) And two folders in the profile of each user on the computer for each Firefox profile for that user.

If you remove the Firefox folder, the user profiles would not be affected.


Download Firefox For All languages And Systems {web link}

Save the file. Then Close Firefox.

Using your file browser, open the Programs Folder on your computer.

Windows: C:\Program Files C:\Program Files (x86) Note: Check Both Folders

Mac: Open the "Applications" folder. https://support.mozilla.org/en-US/kb/how-download-and-install-firefox-mac

Linux: Check your user manual. If you installed Firefox with the distro-based package manager, you should use the same way to uninstall it. See Install Firefox on Linux; https://support.mozilla.org/en-US/kb/install-firefox-linux

If you downloaded and installed the binary package from the Firefox download page, simply remove the folder Firefox in your home directory. http://www.mozilla.org/firefox#desktop ++++++++++++++++++++++++++++ Look for, and remove any Mozilla or Firefox program folders. Do not remove the Mozilla Thunderbird folder if there is one.

Do Not remove any profile folders.

After rebooting the computer, run a registry scanner if you have one. Then run the installer. +++++++++++++++++++++++++++ If there is a problem, start your Computer in safe mode and try again.

How to Start all Computers in Safe Mode; {web link} Free Online Encyclopedia