I love these
I was happily working in Visio, and did the unthinkable … yes, I tried to … wait for it .. copy and paste a shape from one page to another.
Gasp! Shock! How could I! Should have known better!
Visio dies quickly; and then this error pops up:

Obviously, I need to click the link to MicroSoft Update, as so strongly encouraged by this message. So, yes, I click the link.
Guess what:

April fool!
Deep sigh.