Ctrl + F = The search has been completed. No
results to show. (by now)
A: Change one letter to another.
B: But the results won’t be correct.
A: Ohh, more results than the expected.
Ctrl + A, Ctrl + C = Don’t choose, wait to be
chosen.
Supr = The task could not be completed. Please
try again.
Alt + F4 = The window can’t be closed.
Ctrl + Z = Patience.