For the first bug of Christmas, my manager
said to me: "See if they can do it again."
For the second bug of
Christmas, my manager said to me: "Ask them how they did it, and see if
they can do it again."
(similarly)
Tell them it's a
feature, say it's not supported change the documentation blame it on
the hardware find a way around it say they need an upgrade reinstall
the software ask for a dump! run with the debugger try to reproduce
it ask them how they did it, and see if they can do it again.