Ok I use Ccleaner then Defraggler and the total fragmentation After Defraggler is done is 9%/1.5 GB fragmented files (hiberfil.sys) and Total Fragments 2. Hard drive is just over half full (29GB total)
Two problems: One-one file never gets defragged hiberfil.sys remains at 1.5 GB and 2. analysis shows lots of tiny files to be defragged right after defragging.
Help!