bad interface
Although this seems to be efficient (even without registration, at least during my first use), the interface leaves one wondering what might be going on, which files are being scanned, where the files are, etc. The settings are rather poor as the GUI. But it is free and it might do the job well, if the HD is small and all one wants is a quick and dirty method of eliminating duplicates. I did not go all the way. There are better options.
Zyg4 about
AVG Cleaner, v14.0.4726