UE keeps crashing

I switched from Linux UE4 to Windows UE4 because the Linux version did want to cooperate with mobile testing.
Now every 30 minutes or so the engine crashes. I am doing a lot of window switching during work. It seems to me that is causing it. When UE4 loses focus for 5 minutes or so it crashes. I have not experienced the game crashing while it had focus or i dont remember.
Sometimes UE4 is also not responding. This happens much less frequent. 3 times in 2 days.

I have googled and am reading others have no such problem.
I don’t understand this because i use a clean installation. My SSD is a week old.

I’ll keep this thread updated as I learn more. If you can help find the cause, let me know.

I took a 4 hour nap. When I came back UE4 was still running.
I switched windows to respond on a message in now its no longer responding. I can no longer alt-tab to it. The best I can do is mouse over the icon in the takbar when I mouse over the big thumbnail I see the window. But I can’t switch to it by clicking on it.
Later i get a popup: ‘Unreal Engine has stopped working, A problem caused the program to stop working correctly. Windows will close the program and notify you if a solution is available.’
My issue definitely has something to do with focus.

Right now i think my only option is to switch back from 4.19.1 on windows to 4.18 on linux,

So far no issues with UE4. Microsoft edge makes UE4 crash… odd.

Hello,

We’ve recently made a switch to a new bug reporting method using a more structured form. Please visit the link below for more details and report the issue using the new Bug Submission Form. Feel free to continue to use this thread for community discussion around the issue.

https://epicsupport.force.com/unrealengine/s/

Thanks