USB keyboard making me madddddd

My Saitek USB HID keyboard (which needs no special software from the
manufacturer) for the last few months, I have not been able to play my
second life game because of my keyboard actions. The qwerty side of the
keyboar, everything works fine.. On the ten key side and the arrow keys, is
where the problems are. The Enter key on the ten key side, when clicked,
types this: fjka And when I click on the left arrow key, it opens up
notepad or types this bn, the up arrow types this: gh

I'm soo confused.. I have cleaned my keyboard, tried changing usb drivers,
uninstall tons of things, reinstalled, ran virus and spyware programs, tried
rootkit checks, ....etc. etc. etc.

The reason it affects my Second Life game is because you need the arrow keys
for movement of your avatar. the up arrow is the move forward button, and
the left arrow is to turn left. any clues for the clueless bird? hehe
.

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