The Sims "Not Enough Space" Install Error

Whenever I try to install the Sims Deluxe edition I get this rorre message:

[image: http://i302.photobucket.com/albums/nn96/WeeMadRach/Random/notenoughspaceerror.jpg]

However, there is also a Sims Deluxe Edition on the installed programs list on the "Uninstall a Program" Window. Whenever I try to uninstall this it says the exact same thing.

Help! This game is gnivird me crazy!

-- WeeMadRach