URGENT how to uninstall

i uninstall comodo anti spam correctly and now every 5 mins i get an error saying comodo antispam cant access hkcu registry. i have tried everything suggested including manually cleaning the reg, deleting all comodo software off my pc, reg cleaners etc.

i am unemployed and need to be browisng the web & sending emails to find jobs, it wont let me send emails.

if you can please reply to me directly by email at blond37@gmail.com since just logging into this website is a CHORE