We not forget your point 
We already mentioned that there are seemingly two variants of the problem exist.
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for which the topic was openend, which affects a limited amount of users ( please no discussion, I dont have a different word for “limited”, it meant like “majority never seen the popup” ) and which is not really reproducable on users systems which never seen the popup. The existing mentioned hints about lowering system load ( e.g. underclock the gpu ) , xmp mode, and other are described and known in meanwhile. For me points such “reduce system load and all works fine” ‘solutions’ more to hardware issue or another strange driver-thing, but I can be wrong.
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the new problem comming with the driver 513.41 and where some users agree in meanwhile that a fallback to .29 will help. As unfortunality often, the su12 come together with another update - the driver .41 , and so of course we first look at the su12. The chance exist about a su12 issue, but we have with the fallback of the driver to .29 at least a solution which seems to work for users which get the issue caused from the .41. ( Alternative to fallback to .29 : disable DX12 and so use DX11 )
( note: crashreport mention in that case: Msg=GPU Device Removed )
For point two we need more feedback whether it stay really persistent fixed so that we can more sure that it is the .41 driver.
For point one we have still only the existing hints which the users can try.