jimjimbo's post in Backing Up Computer To A Cloud? was marked as the answer
First, don't think that deleting the icon is going to remove the annoying popup.....
Second, USB "thumb" drives are so cheap nowadays, there's no reason you shouldn't be able to back up all of your "important" files to one or a couple of these. Unless you have terabytes of music....but all of your docs, photos, etc.