The installation seemed to go fine, but Windows 10 now gives the following message: "Windows cannot access the specified device, path, or file.

You may not have the appropriate permissions to access the item." I see nothing unusual in the Properties for what seems to be the Firefox executable.

Windows: C:\Program Files C:\Program Files (x86) 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.

If there is a problem, start your ''' Computer''' in safe mode and try again.

Safe Mode This shows how to Start all Computers in Safe Mode; Free Online Encyclopedia I'm not sure how Firefox was installed on this PC.

Of course, I can switch to Google Chrome, but I prefer Firefox; in addition, all of my Firefox bookmarks are now gone. For days, every time I have started Firefox, it asked whether I wanted an update.

You may not have the appropriate permissions to access the item." I see nothing unusual in the Properties for what seems to be the Firefox executable. The problem was that, for days Firefox didn't work at all -- it would not even start, even after many laptop shutdowns and restarts.

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.

Look for, and rename any ''' Mozilla''' or ''' Firefox''' program folders by adding to them.

Do not rename the ''' Mozilla Thunderbird''' folder if there is one.

Safe Mode This shows how to Start all Computers in Safe Mode; Free Online Encyclopedia Let’s do a full clean re-install; [ Download Firefox For All languages And Systems] Save the file. ''' Using your file browser, open the ''' Programs Folder''' on your computer.