I worked in tech support for several years; I am fully aware that I am not like most computer users, and that clear, friendly copy makes a difference to non-tec

I worked in tech support for several years; I am fully aware that I am not like most computer users, and that clear, friendly copy makes a difference to non-technical people. Fortunately, there is infinite space to play in between "Gah"/"Well this is awkward!" and "This program has performed an illegal operation and will be shut down."