Go to about:config and set security.sandbox.content.level = 3.

Product Firefox Release Channel beta Version 58.0b4 Build ID 20171115114231 OS Windows 7 OS Version 6.1.7601 Service Pack 1

bp-8f460a18-e656-470f-b840-d9b3b0171122 Signature: mozilla::layers::ImageBridgeChild::InitForContent

This is for Sumo's Related Bugs 1400637 ASSIGNED --- Crash in mozilla::layers::ImageBridgeChild::InitForContent

Type about:config<Enter> in the address bar. If a warning screen comes up, press the I Accept the Risk button. This is where Firefox finds information it needs to run. At the top of the screen is a search bar.