Product Firefox Release Channel release Version 66.0.3 Build ID 20190409155332 (2019-04-09) OS Windows 7 OS Version 6.1.7601 Service Pack 1

bp-de85d8a1-9e35-4769-b280-842a10190501 Signature: CxxThrowException

Crash Reason Unhandled C++ Exception

This is for Sumo's Related Bugs 1532610 RESOLVED WORKSFORME Crash in [@ CxxThrowException] while NVDA is enabled

1515053 RESOLVED DUPLICATE Crash in CxxThrowException

1514441 RESOLVED FIXED Crash in mozalloc_abort | mozilla::net::(anonymous namespace)::TrackerFound

Start Firefox in Safe Mode {web link}

A small dialog should appear. Click Start In Safe Mode (not Refresh). Is the problem still there?