Mac Cleanup Pro and Wants to Make Changes to My Computer

Every time I sign in to my computer, a Mac Cleanup Pro box pops up and starts scanning my computer then tells me it has issues, primarily duplicate or unneeded files. They wants me to purchase the service. I have just been closing it out and declining the service. Now my computer has started saying Apple wants to make changes and I have to cancel it three time. It is asking for my password but I haven't entered it because I had a bad experience last year with a pop up telling me that my computer has a virus and I needed to call a number. I eventually learned that it was a scam.

I read the posts from a year ago related to the Apple wanting to make changes pop up, but wanted to see if there were other suggestions now or if the Mac Cleanup Pro was legit?

Thanks for your help.