I'm not sure if I should feel offended now...None at all.
- Extra headaches (configuring app, excluding programs or drives, manual or bad updates, in-app Ads)
- Paywall for automated features
- Freeware is generally bundled with Sponsored/Adware.
- Privacy issues as with CCleaner v5.45 (2018)
- Security issues as with CCleaner v5.33 (2018)
- If you're still living in the 2000s