Purchase a usb mouse.
Install Linux or a BSD and adjust xorg.conf to prevent the cursor from moving.
This netbook is, by far, the worst computer I have ever had. The cursor runs all over the page any time you inadvertently touch the large touchpad. In addition, it is very difficult to compose emails due to the erratic movement of the cursor: you think you are typing in one place but find the cursor has moved and ensuing words end up in another part of the body of the letter. I was unable to adjust the touchpad sensitivity so this would not occur but, even with tech support, it did not help. This netbook cost over $400.00 but is so frustrating to use I recommend NO ONE PURCHASE THIS NETBOOK (I would now hesitate to buy any Toshiba computer).