hello, could you provide your latest few submitted crash reports? please enter about:crashes into the location bar, 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.

bp-ea71ddc0-7ebd-4496-b6dc-07cac0180908 9/8/2018 1:31 PM bp-16f0cc42-fe54-4b67-9088-fd1410180908 9/8/2018 1:16 PM bp-a34e9208-5fa6-4450-85f1-02a8c0180908 9/8/2018 1:02 PM bp-fa407c89-ff98-493d-b440-6424c0180908 9/8/2018 1:00 PM bp-895e5ca8-beff-4fb3-bf1c-52d760180908 9/8/2018 11:32 AM bp-2830484d-1299-4937-a9ab-a72850180908 9/8/2018 11:01 AM bp-fad79683-7823-40d1-acc2-61c840180908 9/8/2018 10:47 AM bp-f72ea410-0f1e-456c-9bbd-fe7830180908 9/8/2018 9:45 AM bp-67a0713d-a5ea-4f2c-9be7-bb2df0180908 9/8/2018 9:44 AM bp-c98cfc91-0418-46e5-9b5e-0cd0f1171006

Signature:

• Firefox 62.0 Crash Report [@ mozilla::a11y::DocAccessible::BindToDocument ]

That is a problem with the accessibility service.

Try to disable accessibility services in Firefox.

• Options/Preferences -> Privacy & Security -> Prevent accessibility services from accessing your browser
• https://support.mozilla.org/en-US/kb/accessibility-services
• http://techdows.com/2017/08/firefox-57-prevent-accessibility-services-accessing-browser.html