Product Firefox Release Channel release Version 64.0 Build ID 20181206201918 OS Windows 7 OS Version 6.1.7601 Service Pack 1

bp-e1686269-1212-4343-8c44-9ad0c0181230 Signature: js::detail::OrderedHashTable<T>::Range::rekeyFront

Startup Crash True

Crash Reason EXCEPTION_ACCESS_VIOLATION_READ

user32.dll = Windows User API

Kernel32.dll = Microsoft

ntdll.dll = Microsoft

KERNELBASE.dll = Microsoft

rpcrt4.dll = Windows; Remote Procedure Call Runtime

Let's start with; Perform a System File Check to fix corrupted system files

Win 7, 8, 10, Vista: https://support.microsoft.com/en-us/kb/929833 Win XP: https://answers.microsoft.com/en-us/windows/forum/all/windows-xp-scan-and-fix-disk-errors/6fe2827a-4be6-4bc1-8083-5139b5aa3a3d

Wiki - Windows 10 System File Check http://answers.microsoft.com/en-us/windows/wiki/windows_10-update/system-file-check-sfc-scan-and-repair-system-files/bc609315-da1f-4775-812c-695b60477a93