Apple - Is it possible to disable MacBook trackpad under Windows 7?
Well, good news. I figured out how to stop that annoying errant cursor from suddenly moving my typing to an unintended place.
Ignore all you have read above.
On the Start bar at the bottom on your screen, far right find the Boot Camp icon. Click it See "Boot Camp Control Panel..." Click it Click Yes to allowing to proceed See at the top tabs "Trackpad" Click it unclick Tap To Click click OK
Voila!
Now touching the track pad won't move the cursor...only pressing down to "click" it will.
Go to Device Manager, expand Human Interface Devices, find the Apple Multi-touch device, right click it, choose disable. Done!
You can disable it in System -> Hardware as far as I remember.