

#Firefox esr 17 release date install#
Install either the NoScript add-on (recommended) or the YesScript add-on.If you can't keep your plugins updated, disable the plugin. There are increasing numbers of Flash and Java exploits.Make certain you keep the plugins up to date by periodically visiting the Mozilla PluginCheck page.

If you must install an old version of Firefox: You should also consider installing the latest Extended Support Release version. Rather than downgrading to an older, unmaintained version, you should consider switching to the latest version of SeaMonkey, Google Chrome or Opera. See the Mozilla Security Advisories page for more information about vulnerabilities in old versions of Firefox. There are real security problems (actual exploits in the real world) with old versions of Firefox. Although you can still download these old, obsolete Firefox versions, they contain security vulnerabilities and are unsafe browsers. Previous released versions of Firefox are no longer maintained and become obsolete. If you experience other problems, create a new Firefox profile and transfer your data to the new profile.If Firefox disables any of your add-ons you probably need to replace it with a version that supports a older version of Firefox.Reconfigure your firewall if you have one.
#Firefox esr 17 release date update#
