***WARNING: Do not attempt unless you're really sure you know what you're
doing***
I'm not sure how advanced a user you are, but there is a way to fix your
problem. First, delete all the files associated with the program. Next, log
in as an administrator and open "regedit". You'll probably want to save your
registry before you doing anything. Click on file and export your registry.
Make sure you select the option for all at the bottom.
Then search for either the program's name, or the company that makes it
(preferably both). On the edit menu click Find, and type in what you're
looking for. Once you begin searching, you can just hit the F9 key, and it
will automatically search and find the next registry key. Delete anything
that definitely points to the program you're trying to get rid of. If you're
unsure, I'd leave it alone. Registry edits can wreak havoc on your machine
if you delete the wrong thing. Once you delete all the items you're
comfortable getting rid of, reboot your machine.
Go back in to the control panel and pull up the program list. If you
highlight the item and click uninstall now it should tell you that it can't
find a reference for the program and ask you if you want to remove it from
the list. Just click yes.
I did it with Cyberlink Power DVD. It let me install it in compatability
mode, but it refused to let the uninstaller load in compatibility mode, so I
coudn't get rid of it. But, and I'm going to emphasize this one more time,
DON'T DO THIS IF YOU DON'T KNOW WHAT YOU'RE DOING. Good Luck.