I don't think PF3 could cause a CTD. I've just checked the log and FS certainly became unresponsive
Code:
26-11-2017 13:24:50: 640 - Problem reading hotkey data! (dwResult=11)
26-11-2017 13:24:50: 640 - Attempting a retry...
26-11-2017 13:24:50: 640 - Wait 10 seconds...
26-11-2017 13:25:00: 650 - Retrying now...
26-11-2017 13:25:01: 690 - Problem reading hotkey data! (dwResult=11)
26-11-2017 13:25:02: 800 - Problem resetting hotkey data!
26-11-2017 13:25:02: 940 - ****** Fatal Error Detected!
****** Unable to continue... Report Error Displayed!