How to snoop in a computer and tools to help!
The first step to snooping is to examine the temporary internet files which can be found by going to c:/windows/system/temporary internet files or c:/windows/temp
This gives you a good idea where people have been on your computer.
Another good way to track useage is to use a KEYSTROKE LOGGER!!
You can download a shareware version here which will let you record the first 500 keystrokes each time the computer starts.
Or click here for more detailed info on user an applications