1. Go to Control Panel and select Programs and Features, select PC Cleaner Pro and select Uninstall
2. Or download CCleaner. Click Uninstall, select PC Cleaner Pro, and click Uninstall
3. Or try Revo Uninstaller Free/Trial, select PC Cleaner Pro, and click Uninstall.
4. If the above doesn't work. Download
Windows Installer Cleanup Tool, find it and remove.
Do these in the order it is listed, if the first succeeds, no need to do the next.
Alternatively if the steps posted don't help, run
Malwarebytes and
MSE to look for viruses related to PC Cleaner Pro.