Edit: @BoraMurdar beat me by a few moments.
OpenCandy is seem here as part of License Agreement, you have to Agree to Continue. This will not install OpenCandy sponsored software.
After Auslogics Registry Cleaner is installed, you will see the OpenCandy part.
Here you must choose Custom and then uncheck any pre-selected boxes. See image below.
Any OpenCandy sponsored software should not be installed.
On the other-hand, if you hadn't chosen Custom / Unchecked the boxes, you'd notice a spawn of new processes running.
And a new tray icon of the unwanted software, ie. Search Protect.