Open applications in Windows 10 keep minimizing

Some time ago I had Windows 10 configured such that mousing over a given application in the tray would pop up full screen views of what was open.  For example, I could mouse over an Excel icon and it would pop up three thumbnails, and as I moused over each thumbnail a full screen presentation of it would take over the screen.  When I had the one I wanted I could click into it.  Then it started not working well, which I posted here, and was shown how to enable "Peek."  But Peek would sometimes work, but often when I moved off the thumbnail it would disappear altogether.  So I disabled Peek and it is worse.  Many suggested just using Task View, which would be great, but has the same problem.  When I click on Task View I get a desktop of smaller versions of every open file, but when the mouse moves off the Task View icon they all disappear.  If I move slowly off the thumbnail, sometimes they do not disappear, but it seems random.  So what I am asking for is help to get rid of anything like Peek, and make Task View stick; that is, not disappear.  Seems like a simple thing, but driving me nuts and there are dozens of "fixes" with a Google search.
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Mike CaldwellConsultant to IP industryAsked:
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JohnBusiness Consultant (Owner)Commented:
What you describe as "now" is has it has always been in Windows 10 for me right from the beginning a year ago.

I do not use Peek (awful to me).

The only other thing to consider is to:

(a) use Tablet Mode instead of Desktop Mode , and,
(b) a non-Classic Theme.

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JohnBusiness Consultant (Owner)Commented:
I checked around and cannot find anywhere where a hover will open a full screen. What I see is for large icons and non-classic themes, the size of the hover will be quite large.

I use small icons and classic theme and the hover is quite small (not readable but recognizable).
Mike CaldwellConsultant to IP industryAuthor Commented:
John, I always hope you will respond to my problem!  This is interesting; I should have mentioned that the PC in question is a Toshiba tablet, but I access it with an HDMI monitor, routed through a KVM.  So I did as you suggest, and now it is as I remembered from when it is new!

Just to be clear, perhaps for someone else that finds this on a search, it is not a mouse over, but if I click on, say, the Firefox icon on the lower tool bar, all of the open windows pop up a small preview across the bottom.  As I mouse over preview to preview, they take turns being full screen.  Then I can click into which ever one is in full screen at the moment.

Many thanks.
Mike CaldwellConsultant to IP industryAuthor Commented:
Oh; my desktop is already (I think) non classic: solid background with Fences to bundle the apps.
JohnBusiness Consultant (Owner)Commented:
Thank you for updating me and I will also keep watching this issue.
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