I have had windows live on my computer before but it got deleted some how, and apparently uninstalled.. for some reason i cant find any components of it anywhere.. so i downloaded it again and tried to re-install it but it says it is already installed... it wont let me repair it or remove it from anywhere..
this is the site im downloading from: http://download.live.com/?sku=messenger
this is a picture of what im getting..:
(I can not find any of the install programs on my computer.. not even in the add or remove programs)
how do i fix this?! thank you!

anyone please help?