And had Google translate it. But the date was 2010, if I recall, so I dismissed it as just a coincidence. Did the other things, too.

You probably found the Russian post by enclosing the phrase in quotes to get an exact match, and isn't it striking how rare that exact phrase is? It seems suspiciously trying to riff on the Windows 10 update push, yet if that's what it really is, I'd expect thousands of search hits from other people just as annoyed/unnerved/intrigued by it as me. I guess that's the most unnerving thing of all, feeling like I'm the only person on the planet targeted by this thing.

Hey I know, it's RL or SDAI-Tech! Yeah, and look, just as I type that, up pops the dialog box. That confirms it!