I had to do a system restore 2 times over the comodo update, my comodo Ice Dragon was also a complete mess after its update too
Symptoms include Slow Boot, Slow unresponsive file explorer, missing explorer icons, folder icons , slow unresponsive programs or they just didnt start at all, frozen comodo control center, frozen everything, it was an unstable ship wreak.
I installed a 30day trial of kaspersky, ill probably try doing a clean install of CIS 6.1 later, but it was kinda annoying that I had comodo set up and all kinds of custom rules set and now i have to go through it again. so far i have had serious issues with every single comodo software i have used, i am starting to loose trust in their software.
also Comodo Programs manager, its like a shipwreak too, half the time if you tell it to delete something at boot it then continues to delete the same file everytime you boot its the same stupid message until one day it just desides to disapear, also not very good at removing software, I still have all kinds of junk files all around my programs folders after the removal of some simple software, like whats the point?