Hello everyone, I'm running W10 1511 (a version I wanna keep on a specific computer, though I run 1709 elsewhere, or old good W7). I blocked updates many months ago, and reenabled them to be up-to-date. Big mistake ... Since, Windows 10 upgrade tool keep reinstalling. To avoid upgrade, I've filled my HDD, but this is not the solution, of course. What I did: I uninstalled upgrade assistant tool through add/remove panel. This *%"# keeps downloading & reinstalling. Of course, first thing I did was to disable windows update. Something reenable it each time. I removed everything in the scheduled tasks. Of no avail. Directories created by this bullsh** were removed. They were created again. I edited rights on these folders to remove rights to system. Still here. Seriously, this thing is like a virus. An even with some virus, it is much more simple to get rid of these than this thing. What I did not tried yet: removing what triggered that by deleting some directories in WinSxs (always a bad idea though). I still can 'solve' the issue by applying QoS on my network (Cisco NBAR2, 'windows-update' and 'ms-update' entries to lowest value possible), but I'd love to take control over my computer ... Thanks for your ideas !