First of all, you need to ensure that an alternate browser is working on your computer. In case you want to reinstall Firefox if it is not working. Remember before installing check you don’t have any bookmarks or important plug-in installed that you are worried about. If the issue is still not fixed you need to call the Mozilla support phone number 1-888-664-3555. We are the third-party customer support provider of Mozilla browser you can get our assistance round the clock.

For more details visit at: - http://www.email-techsupportnumber.com/mozilla-firefox-online-technical-support/