TBB can stop working on exit on Windows 7
Crash is triggered by #18778 (moved) (hang & 100% CPU) if TBB is exiting by clicking Exit button in hamburger menu. Just wait a minute.
Faulting application name: firefox.exe, version: 45.2.0.0, time stamp: 0x00000000
Faulting module name: xul.dll, version: 45.2.0.0, time stamp: 0x00000000
Exception code: 0xc0000005
Fault offset: 0x01ef989c