Reports are coming in that Piriform is forcing CCleaner to update to the latest 5.46 version even when users had configured the program to not perform automatic updates. To make matters worse, once the users were upgraded to the latest version, their privacy settings are reset to default, which is to send usage data. […]

from https://www.bleepingcomputer.com/news/software/ccleaner-disregarding-settings-and-forcing-update-to-546/