Can't have been all bad
…she wandered a way a happy ex-student and gave you a 10/10 for it.
As for the advice: while McAffe and Nortons are absolute nightmares to deal with, I've never had a problem with either corporate or home versions of Kaspersky.
That said, ultimately good computing hygiene will do better than almost any anti-virus package on the market and to my thinking, a "virus" by any other name is really just a security flaw in some application: get the application fixed or use due diligence and you generally don't have problems. Relying on a third-party piece of software to catch the nasties when they get in is akin to bolting the stable door after the horse has bolted in my opinion.
Now if only we could get the general public to understand this. (I'm not volunteering to educate the masses.)