You should be able to use explorer and go to the folder and find the uninstaller to uninstall.

''<p>nsomer [[#question-1476763|said]]</p>'' <blockquote>Software is gumming up all functions on computer and I can't uninstall. How do I force an uninstall? </blockquote> https://support.mozilla.org/en-US/kb/uninstall-firefox-from-your-computer#w_start-the-mozilla-firefox-uninstall <blockquote>If the Mozilla Firefox Uninstall window does not open, you can start it manually by running helper.exe, which is normally found in one of these locations by default: C:\Program Files\Mozilla Firefox\uninstall\helper.exe C:\Program Files (x86)\Mozilla Firefox\uninstall\helper.exe</blockquote>