How do you solve this one? CCleaner is hard wired to find Google Chrome, as you can see from this screenshot of the ini file embedded in CCleaner.

All I can suggest is to check out the ini screenshot, and see if the temp file locations are different in yours. I know from experience recently with I think it was Opera, the location of temp files depended upon where you downloaded it from.
The developers can make subtle changes like this mid version without making a mention of it.
In this case, the pictures don't lie. There is something fundamentally different somewhere along the line causing yours and some others CCleaners to not pick up Google Chrome.
Maybe the CCleaner or Chrome installs are different. Is CCleaner or Chrome installed for all users on your PC?
Check out the ini file, and see if anything in there can give you a clue. Everything is working perfectly on my PC, so I can't replicate the problem to search out an answer.
The developers read these posts, so maybe something could be forthcoming from one of them, as there obviously is a problem with some PC's.