I think you will find that the command window you mention is Microsoft's Update command checking for updates. I used to see it but now I don't get that popup anymore. HTH.
I have downloaded and Burned the ISO for 10130 and I'll need it to run "DISM" as that's the only way DISM can be run effectively on Windows 10. I have run sfc /scannow a couple of times and it finds problems that it can't resolve. I wish Microsoft a lot of luck if they are to release the final...