Well, you caught me. I used the free version for years and a couple of years ago, I began to feel guilty about that. The developers have done a great job. So I purchased the Pro version simply to support the developers. I think however the free version still does exactly the same thing. The reason for my 'intentional misrepresentation' is to not turn folks away from making use of the app. Or another 3rd party uninstaller.
Nick says what I'm doing is unnecessary but It's been part of my routine since the early beta Synergy versions. I think it saves me time.
So, maybe try the free ve