Crashes on startup after the update to Firefox 46 on OS X

{for win, linux}{note}'''The content of this article only applies to Firefox users on Mac OS X'''.{/note}{/for} Some users on OS X who have the potentially unwanted software ''PremierOpinion'' present on their system and hooking into the browser, will experience Firefox consistently crashing at startup after the update to Firefox 46. Affected users should perform a scan for malware with an external tool like the free version of [https://www.malwarebytes.org/antimalware/mac/ Malwarebytes Anti-Malware for Mac] or follow a manual removal guide to get rid of ''PremierOpinion'', see: http://www.thesafemac.com/arg-premier-opinion. If you need further assistence or have technical issues with a different crash, you can refer to [[Firefox crashes - Troubleshoot, prevent and get help fixing crashes]].

Some users on OS X who have the potentially unwanted software PremierOpinion present on their system and hooking into the browser, will experience Firefox consistently crashing at startup after the update to Firefox 46.

Affected users should perform a scan for malware with an external tool like the free version of Malwarebytes Anti-Malware for Mac or follow a manual removal guide to get rid of PremierOpinion, see: http://www.thesafemac.com/arg-premier-opinion.

If you need further assistence or have technical issues with a different crash, you can refer to Troubleshoot Firefox crashes (closing or quitting unexpectedly).