I can't update to the latest version

Question

I can't update to latest version of firefox
- I tried using 'about firefox' in the tools menu - didn't work (can't remember the error message)
- I tried downloading the exe file and updating manually - it always gives a 'your download was interrupted' error message
- I tried uninstalling firefox, and then downloading and installing the exe file using ie, and chrome, to see if either helped (they didn't)
I'm not sure what to try next ?

Answer 1

Are you using the official site such as getfirefox.com
Obviously if downloads do not complete there is no way that Firefox will install correctly. The installers from about:firefox start as stubs. The full exe installers are available from https://www.mozilla.org/firefox/all/
* See [[How to download and install Firefox on Windows]]
*Are you getting any error messages on screen, or can you find any in the Windows event viewer.
** http://windows.microsoft.com/en-gb/windows/open-event-viewer#1TC=windows-7
* You may need to check settings of security software or even turn it off (Any XP users see additional small print under)
_{(There is a glitch with Windows XP {See [[Firefox installer crashes on Windows XP]] } and Firefox 35 at present and the firewall will need to be left on, but this question appears to be related to Windows 7, per the system information aside.)}