It is supposed to restore modules missing from the component store. It was created by a certain "niemiro" of Sysnative forums. And no, it does NOT contain viruses, before you ask.
Try this and see if it works...
Please save any work you have open, and close all programs.
Download the SFCFix.zip below and save it to your desktop. Now extract the SFCFix.exe file from the .zip to your desktop.
Run the file and wait for it to complete. Once done, a file will appear on your...
I was previously enrolled in the Release Preview Channel. This update unenrolled my device, turned off the diagnostic options needed, and now I get this (below). I don't know if these options are new, if I recall they weren't available in previous builds (or maybe i just hadn't bothered...