Dekudude, I'm using ObjectDock Plus, have the box marked to load on startup. It's working for me. I'm using XP Home, SP2 32bit. Check your programs to run at start up and make sure it's there. You can do this several ways, a couple of my anti-spyware programs lets me see the start up programs, I use Spybot-Search & Destroy.
What version of ObjectDock are you running? Check and make sure you have the latest updates. Does the program run okay if you start it manualy? Also what version of OS are you running? If anyone stops by from support they will need this info.