Anyone who has one of the new MS keyboards will no doubtfully of had the annoyance of realising that you can't force F-Lock to default to normal operation. Well i've just came across this registry hack to solve this. Hope it helps somesone :o)

UPDATE: By the way i got the above link from http://weblogs.asp.net/jkey/archive/2003/08/24/25190.aspx, where in the comments in a link for a Logitech Fix
http://www.ben.pope.name/logitech.html