Comodo 3 does not initialize

I thought I would like to try Comodo 3 but I cannot get it to work. When I install and reboot I get to the Windows splash screen and that is as far as the boot process will go. When I attempt to reboot I get the “Windows did not start properly screen” and to get anything done I have to start in last good configuration. Then it does boot and the Comodo icon shows on the task bar, Windows Security Center says I have no firewall installed. If I open Comodo it tells me that it is initializing, after quite some time it says Comodo cannot start because of problems. Click fix problems button. Says problems are fixed. Repeat this comedy of errors. Anybody have a clue as to where I need to start or do I just give up on this program?