After performing a clean, there are often tracking files left. Only on a few occasions they are all cleaned.
Even cleaning several times in a row doesn't solve the problem. This issue exits for a while in different versions of CCleaner, always expecting that this would be solved in the newest update.
Don't worry too much about it, it isn't a bug, it's simply the way a computer works.
Health Check 'Trackers' - What they are.
The Health Check user interface has now changed (March 2024) and no longer refers to 'Trackers' like it used to do.
Where it does still refer to then it's now as 'tracking identifiers'. (ie. Cookies).
So people should no longer get confused (or worried) about just what they are.
Health Check is still cleaning them, it just isn't giving them such a misleadi