By default add-ons should be unchecked. I always get calls from my parents (this weekend with an AVG download) when they realize they downloaded a service and

By default add-ons should be unchecked. I always get calls from my parents (this weekend with an AVG download) when they realize they downloaded a service and now they have extra services they did not want - toolbars among other things... it becomes my problem and it sucks.