If TimesUpKidz is already on your computer and you try to install it again, you'll see an error message. To install TimesUpKidz, you must first remove any existing (and possibly older) versions of the software on your computer. You can uninstall TimesUpKidz by using the the Add/Remove Programs section of the Windows Control Panel. Then try to install the software again. All your settings and product key will be preserved, so this shouldn't take much time.