That's a POST error message - nothing to do with Windows.
________________________________
From: Fred Cisin <cisin at xenosoft.com>
To: General Discussion: On-Topic and Off-Topic Posts <cctalk at classiccmp.org>
Sent: Thursday, 4 April 2013, 2:15
Subject: Re: Amazing uptime...
"Windows
has detected mouse movement.? Windows will reboot to commit
this change"
"Windows has detected that a gnat has farted near your
computer.
Press any key to reboot."
Those don't surpass the real one:
"No keyboard.? Press any key to continue."