Make sure you follow step 4
Run CCleaner v6.39 from the last page of the installer (see image) and before closing it go to Options>Updates and untick the boxes there. That will turn off the Automatic updating.
Make sure you follow step 4
Run CCleaner v6.39 from the last page of the installer (see image) and before closing it go to Options>Updates and untick the boxes there. That will turn off the Automatic updating.