Under win2k OR winXP do the following.
1) Start, Run, type in mmc
2) Console, Add Snap-In,
3) Select Group Policies, ADD, Finish
4) Go to Local Computer Policy -> Administrative templates -> System
5) Double click on Disable Autoplay and click "Enable"
6) Exit out ( You can save the console for later use)
Later,
Your friendly neighbourhood ^Klown^