I was just looking at a different computer than the one I generally use. It is running Windows 7 and I noticed that clicking to close Sticky Notes results in the following pop-up warning:
I am also running Windows 7 on my own system but do not get the same warning — which tells me that at some point in the past, I must have clicked the option "Don't display this message again".
Once that option is selected, is there a way to un-select it? In other words, how can I get the warning to start appearing again?