Whenever I run Health Check, it claims that "my computer is under the weather". I run the cleaner and the system claims to be in perfect working order. But if I rerun the Health Check at once, it shows new problems. Am I doing anything wrong, or am I not using the correct version? I renewed my subscription a couple of weeks ago, and I've had this since then
It's normal behaviour for a computer.
Some cookies and files get recreated again straight after you clean, the files are empty and just waiting to be filled up again.
CCleaner doesn't know if they are empty or not so just says that they need cleaning again.
For a longer explanation of what these files are and how you can stop some (but not all) of them coming back see the link in my signature at the bottom of this post.
(Give me a shout if you're on a phone etc. and so can't see the link)