1) Since you will be deleting the ╥links╙ you created with your old version of Jump Start!, please take the time to note what links you have created. That way you╒ll be able to quickly reinstall all your links with version 1.x of Jump Start!
2) Place both the old Jump Start! and the Jump Start! folder (including everything inside the folder) in the Trash, and empty the trash.
3) Follow the original installation instructions, but apply them to the new version.