Choose the Free Automated Support and then just answer the questions.
Since I don’t know exactly which Product you had installed, I can’t get any closer on the URL
Good Luck
also do a search with NAV Technical as the subject and mark Avast Home/Pro and General Topics and it will give you two guides for complete removal of NAV from your system…
I used NAV and it took alot of work to get rid of it!
Don’t be afraid to ask for help…many here are experts at helping you do this–and I speak from personal experience ;D