I reported this earlier this year and have never ever received a response.
The latest versions of CCleaner (those released after around the beginning of March this year) will not run in Windows Safe Mode (Windows 7 Pro) i.e. it crashes (simply pauses at the end of the scan and then exits without doing anything). I've tried many times with each new version and still the same thing and keep having to revert to an older version (released before March this year). It would appear