Welcome to the forum, David.
Important - Please read before posting:
It’s not a shock that you experienced a BSOD with having 2 firewalls installed. I don’t know the details of Sygate (only had it for short periods of time long ago), but I think ZoneAlarm has low level drivers as does CFP. A conflict is inevitably the end result.
If you still experience the BSOD then this would be a fitting place:
[url=https://forums.comodo.com/help/bsods_please_add_your_minidump_files_here-t6747.0.html]BSODs Please add your minidump files here