Firefox installs stuck on downloading, housekeeping – Sometimes this issue can appear while trying to install Firefox using the standard installer.To fix it, disable your antivirus and check if that helps. Firefox won’t install Windows 10 – This issue can sometimes be caused by your antivirus.Also, get rid of any leftovers and stubborn software with the help of the best uninstaller tools. Cannot install/reinstall Firefox keeps saying an old copy is running? – Uninstalling the old copy first isn’t always enough.Firefox not installing on Windows 10 – If you’ve tried to install Firefox to no avail, check the setting to Prevent Accessibility Services from accessing your browser from the Privacy & Security panel.If that’s your case too, note that you can’t have Firefox running during installation. Hmm, for some reason we could not install Firefox – There are times when the installation procedure does not complete and users get this message.If it takes much longer than that, you need to take corrective action since this is not the usual.īefore trying the troubleshooting steps, let us tell you a few more tips when encountering similar issues: It is possible that installing Firefox will take anything from a few seconds to five minutes, depending on the speed of your Internet connection. Note that if you turn this feature off, your security will be at risk, so make sure to turn it back on as soon as possible. However, sometimes it can misinterpret certain files as malware. It performs scans, identifies, and eliminates viruses, spyware, and malware, so assisting in the prevention of infection to the operating system. An antivirus software tool that was built by Microsoft to safeguard machines that use the Windows operating system is known as Microsoft Defender Antivirus. If you are not logged in as an administrator, issues like this might pop up.Īnother cause might be Windows Defender. The Firefox installer might be waiting for certain permissions to be granted from the user side. Why is Firefox taking so long to install? In this article, we’ll offer you a list of the most common installation problems for Mozilla Firefox as well as solutions to similar error messages. If you are one of them, do not worry as we got your back. One common error is that Firefox remains stuck on installing. Some users probably encountered various problems when trying to install Mozilla Firefox on their PC. Home › Browsers › Firefox › Not installing error

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