kali

I'm getting the same thing. Defraggler runs till appx. 88-89%, then I get an error window that says, "Defraggler has encountered a problem and needs to close. We are sorry for the inconvenience." At the bottom of the window is a prompt to send a Microsoft Error Report. I have version 1.20.201 I uninstalled it from my computer, then reinstalled it. Same problem Computer reboot does not help. Until last week the Defraggler worked just fine. Any suggestions. Thx!