I am so comfortable with personal computers that I take it for granted how intimidating the setup can be for the average Joe and Jane. Telling someone to change

I am so comfortable with personal computers that I take it for granted how intimidating the setup can be for the average Joe and Jane. Telling someone to change which app handles a certain file extension is like a mechanic telling me how to adjust one of the valves inside of a carburetor. Certainly do-able, but a nightmare to someone who thinks they can break the whole thing with one wrong move.