Price of an upgrade to Sticky Password 6 for 3 computers is 29.99 USD. The 40% discount is really applied. The price of a new license for 3 computers is 49.99 USD.
Just insert your current License Key to the online upgrade form at:http://www.stickypassword.com/online-upgrade?src=submenu
In the next step the possibility to upgrade 1, 2 or 3 licenses will be available.
Each of these licenses has it´s own discounted price. You probably tried to purchase 3 Sticky Password 6 licenses for 1 computer. Then the price is of course calculated 3x17.99 USD.
It´s necessary to select a license for 3 computers.