hello, first please understand that like most free software we cannot provide support via telephone, so let's continue here in the forum. from the troubleshooting information that you have provided it appears that there is some adware/malware that is present on your system. so please perform these steps: # [[Reset Firefox – easily fix most problems|reset firefox]] (this will keep your bookmarks and passwords) # afterwards go to the firefox menu ≡ > addons > extensions and in case there are still extensions listed there, disable them. # finally run a full scan of your system with different security tools like the [http://www.malwarebytes.org/products/malwarebytes_free free version of malwarebytes] and [http://www.bleepingcomputer.com/download/adwcleaner/ adwcleaner] to make sure that adware isn't present in other places of your system as well. [[Troubleshoot Firefox issues caused by malware]] if you'd like us to take a closer look on your crashes in particular, then please provide your latest few submitted crash reports? please enter '''about:crashes''' into the location bar (see screenshot), copy the latest few report ids from there starting with '''bp-''' & paste them here into a forum reply. this will give us a better understanding what may be triggering those crashes.