First off, don't worry. This is the correct location.
Secondly, please uninstall Windows CE Services 2.2. It is not compatible with Windows XP.
Then grab ActiveSYnc 3.8 from here:
http://www.hpcfactor.com/qlink/?linkID=7
This is fully XP compatible as well as Office 2000+ OK.
The Jornada 680 itself is a H/PC Pro deivce, based on Windows CE 2.11. It cannot be upgraded.