From Salon.com:

Three things are certain:
Death, taxes, and lost data.
Guess which has occurred.

David Dixon

Everything is gone;
Your life’s work has been destroyed.
Squeeze trigger (yes/no)?

David Carlson

I’m sorry, there’s — um —
insufficient — what’s-it-called?
The term eludes me …

Owen Mathews

Windows NT crashed.
I am the Blue Screen of Death.
No one hears your screams.

Peter Rothman

Seeing my great fault
Through darkening blue windows
I begin again

Chris Walsh

The code was willing,
It considered your request,
But the chips were weak.

Barry L. Brumitt

Printer not ready.
Could be a fatal error.
Have a pen handy?

Pat Davis

A file that big?
It might be very useful.
But now it is gone.

David J. Liszewski

Errors have occurred.
We won’t tell you where or why.
Lazy programmers.

Charlie Gibbs

Server’s poor response
Not quick enough for browser.
Timed out, plum blossom.

Rik Jespersen