It is an easy fix.... you're just overlooking some small detail. Use the CdGone.zip file to fix the registry.
Fix #3: - (recommended fix)
This is the easiest method (CdGone.zip)
that will do this procedure automatically for you if you're afraid to edit the registry manually.
(automatic fix, post #7, download file: CdGone.zip)
Unzip the file, then launch it.
I highly recommend this fix to use over the others.
It's quick and requires no skill to use.