According to this article: http://www.zdnet.com/article/unautho...than-it-cures/

Unauthorized, mislabeled Microsoft support tool leaks; could cause more trouble than it cures

Several mainstream tech sites this week published details of a purported new Microsoft support tool designed to fix problems with the Windows 10 Anniversary Update. After some digging, I can report that it is no such thing. My advice: Stay far away from this "Windows Self Healing Tool."