14.0.1 will not install in windows 8
While trying to install 14.0.1 on Windows 8 it crashes. When I click FINISH it locks up and won't continue.
Opaite Mbohovái (1)
Just so you know, Firefox is not officially supported on Windows 8 yet. You can try to test a nightly build, but even they aren't fully supporting it yet. https://wiki.mozilla.org/Firefox/Windows_8_Integration. http://nightly.mozilla.org/.
Also try to update your graphics driver.