Real Player 22 not cleaned

I have Real Player 22 installed, a fresh installation, never had any previous version installed on this machine. Running Windows 11.

In CCleaner (v6.16.10662) there is a checkbox (under Program/Multimedia) to include Real Player 20. It is by default un-checked.

I ticked this box, and run a clean. It did delete something (600+ files reported deleted from Real Player 20, really not sure what this was...?), but still when I start Real Player it have my latest used file pre-loaded.

Why do CCleaner not detect Real Player 22, but refer to it as Real Player 20? And why is the latest used file not cleaned from Real Player quick start?