I have found the following in my subscribed membership site, maybe this might help you get rid of files that are called 'orphans'. Read up on it and try it. Good Luck.
CCleaner
A system optimization tool that removes unused & temporary files from the system, allowing it to run faster, more efficiently, and giving more hard disk space. Requires Windows 98 & later.
http://www.ccleaner.com/
These files could be residue from what you 'deleted' instead of uninstalled, and are still in the registry.
