i had limewire basic installed, but then decided to go pro
and it will tell me as im in the install window it will say there is a newer version installed already and wont let me reinstall

i have deleted all the limewire files i could find but it still wont let me so is there a uninstall?> or a file im missing?
help please

Go to your Receipts folder & remove the Install LimeWire.pkg file & try again to install. Your receipts folder is here -> HDD > Library > Receipts.
See sample image here Receipts folder sample image (click on link)