This is the second machine this has been happening on.
When I put my computer to sleep, the monitor goes off, but it doesn’t shut off for another minute (or so). It doesn’t actually shut off - instead, the computer crashes. When booting up, windows reports that it has crashed.
All of this went away when I uninstalled Comodo Firewall, so it is definitely the culprit.
Running:
Windows 7 SP1 x64
Comodo Firewall 6.0.260739.2674
Windows is fully patched
All drivers are updated
If anyone has any idea of how to temporarily fix this (until Comodo comes out with a patch), please let me know!