Hi,
Please check if this happens in Safe Mode
Problematic Extensions
Troubleshooting Extensions and Themes
Uninstalling Add-ons
Uninstalling Toolbars
Please note that if you are using the customized Firefox version that came with the Linux distro, the Firefox updates may only happen via the distribution's channel and also, crash reporting may be disabled. If the problem is more general it may also be helpful to post in the particular distro support forum.
Hi,
Please check if this happens in [https://support.mozilla.com/en-US/kb/Safe%20Mode Safe Mode]
[http://kb.mozillazine.org/Problematic_extensions Problematic Extensions]
[https://support.mozilla.com/en-US/kb/Troubleshooting%20extensions%20and%20themes Troubleshooting Extensions and Themes]
[http://support.mozilla.com/en-US/kb/Uninstalling+add-ons Uninstalling Add-ons]
[http://kb.mozillazine.org/Uninstalling_toolbars Uninstalling Toolbars]
Please note that if you are using the customized Firefox version that came with the Linux distro, the Firefox updates may only happen via the distribution's channel and also, crash reporting may be disabled. If the problem is more general it may also be helpful to post in the particular distro support forum.