Aha.
As in "You can lead a horse to water, but you cannot make it drink". Solution has been provided.
*facepalm* Whilst being fully aware that software tries to get you to install the paid version, telling me to just ignore the warning is not really a solution? It doesn't seem like the standard kind of thing, registry has broken items, system has lots of junk, programs are slowing down your PC. UAC being turned off sounds more serious.
If I just wanted to ignore the warnings I know how to do that, that's not a solution. What I wanted is for at least someone else to confirm they've ever seen this specific UAC is turned off message (no one has confirmed, Bob suggested to look at forum post #32 on another thread, but that didn't say anything about UAC?).
If you genuinely know that this UAC turned off message is used as a marketing tool, why not just say so rather than being patronising?