AVG Free Anti Virus

I am thoroughly pissed with AVG and will take a long hard look at whether I renew next year. This FREE Anti Virus protection thing is giving me big problems. When I go to uninstall, it asks for a password, it is apparently different from the password on my account, and one that I do not recall choosing. AVG won't answer my emails, and trying to find SUPPORT is like trying to find SUPPORT when you need it. Meaning, it's difficult to get SUPPORT! How do I retrieve a password that I don't recall using for this?