FULL PRODUCT VERSION :
JDk 1.6

ADDITIONAL OS VERSION INFORMATION :
WIndows XP Professional

A DESCRIPTION OF THE PROBLEM :
open KeyEventDemo from the following link:
http://java.sun.com/docs/books/tutorial/uiswing/events/keylistener.html

Press Numlock key, while holding the Ctrl. You'll see the Keyevent for Pause, instead of NumLock. This works correctly in Linux.



EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
Produce the keyevent for Numlock, instead of Pause while holding down the Ctrl key and pressing NumLock.
ACTUAL -
In windows platform KeyEvent for Pause is produced instead of NumLock.

The following is produced when Ctrl + Numlock is pressed:

KEY PRESSED:
    key code = 17 (Ctrl)
    modifiers = 128 (Ctrl)
    action key? NO
    key location: left
KEY PRESSED:
    key code = 19 (Pause)
    modifiers = 128 (Ctrl)
    action key? YES
    key location: standard
KEY RELEASED:
    key code = 19 (Pause)
    modifiers = 128 (Ctrl)
    action key? YES
    key location: standard
KEY RELEASED:
    key code = 17 (Ctrl)
    modifiers = 0 (no modifiers)
    action key? NO
    key location: left


REPRODUCIBILITY :
This bug can be reproduced always.