Yeah - Most my boxen are Win10 now - But my main bench machine has software on it that breaks in Win10, so I am keeping it in Win7... I had updates clean off too, and that Win10 nag came back twice... Not lately though... I think that one ends KB...583 or 538, so if you have newer than that, they snuck another one past you.
Ping me back if that's true, will you?
But my bet is on a bug.
on another note, Disconnect all peripherals from the box tonight and see if it does it... no NIC, no USB anything, no printer, scanner, mouse, keyboard, etc... ALL gone. Doesn't tell you anything if it does it anyway - but if it DOESN'T happen, then the src is from one of them - kick em back on in a controlled way if that's the case, to winnow out the culprit.
IF NOT, likewise inside the box tomorrow night (if you are competent) - Disconnect any internal wireless, internal USB, extra HDD etc... same process as externals. Eliminate till you are down to just HDD and PS/MB/Proc/Ram... That's about as far as you can go hardware wise.
Especially, check out the Start button and reset button... Maybe a mechanical failure beginning? You can disconnect them too.
My thinking is a soft short in something... making the machine think it's getting signal... If no joy, at least you have eliminated all of that from consideration.
[[on another note, Disconnect all peripherals from the box tonight and see if it does it... no NIC, no USB anything, no printer, scanner, mouse, keyboard, etc... ALL gone. Doesn’t tell you anything if it does it anyway - but if it DOESN’T happen, then the src is from one of them - kick em back on in a controlled way if that’s the case, to winnow out the culprit]]
I’m hoping it doesn’t have to come to that- but it likely will- process of ilimination- yuck-
I do have to mention htough that some fan keeps revving up when I’m using computer, so I think a fan may be going- I think possiblyt the vid card- maybe the PS- not sure yet- I suppose there might be a possibility that could be causing it, but I think, like you, it may more be a bug-