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For those who have been working on a desktop computer for a long time and switched to laptops, the major problem is getting adjusted with the smaller keyboard. Another problem is when typing on the laptop keyboard, the thumb sometimes touches the keypad and the cursor moves to another space.
This problem usually goes away with experience. More experienced laptop users do not face this issue, as they get adjusted to the new keyboard layout over time.
However, TouchFreeze is a free utility that can be used to freeze and activate touch pad automatically. If TouchFreeze is installed, it automatically freezes the touchpad and when you stop typing, it will automatically enable the touch pad again. To download TouchFreeze goto  http://code.google.com/p/touchfreeze/downloads/list