Upon opening Defraggler v 2.20.989 (64bit) it displays No Data
The 256 GB SSD is half full.
Nothing untoward in Event Viewer.
Intel Core i7 4790 @ 3.60GH, Gigabyte Z97M-DS3H, 2x 8GB Dual-Channel DDR3 (9-10-9-27)
Samsung SSD 840 EVO 250GB, Intel HD Graphics 4600 (Gigabyte), 2x 21” Dell monitors
Win 7 Pro x64