I haven't a clue. I use Search Everything and it has never failed. For starters, I would get a fresh copy of Search Everything and install it, after removing the old one. It might also be that the title confused it, "Desktop" nomenclature is use on computers for other things besides a file name.
Fractal Design R5 | Asus Z170 Pro | Intel i5 6600k | 16 GB G.Skill Ripjaws DDR4 2133 | Seasonic 650w PSU | eVGA GTX 550 TI | Samsung 960 M2 500 GB | Samsung 850 EVO 500 GB | ASUS Burner | Windows 7 64-bit