How do I stop UE4 form crashing?

Development Platform & Builds
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1

UE4 editor keep crashing on me for some reason. I’m not doing anything special just trying to play around with some player hub and health. Does someone know why this happens? please help.
Specs on my pc:
Intel 7770k
16GB ram
GTX 1080

crash report:
LoginId:917d69e94856ef2b10ad6aa01686ceab
EpicAccountId:2967934859ef429ca5d37dae2f9916a9

Assertion failed: [File:D:\Build++UE4\Sync\Engine\Source\Runtime\Windows\D3D11RHI\Private\D3D11Util.cpp] [Line: 198] Unreal Engine is exiting due to D3D device being lost. (Error: 0x887A0006 - ‘HUNG’)

UE4Editor_Core
UE4Editor_Core
UE4Editor_Core
UE4Editor_Core
UE4Editor_D3D11RHI
UE4Editor_D3D11RHI
UE4Editor_D3D11RHI
UE4Editor_D3D11RHI
UE4Editor_RHI
UE4Editor_RHI
UE4Editor_RHI
UE4Editor_RHI
UE4Editor_SlateRHIRenderer
UE4Editor_SlateRHIRenderer
UE4Editor_Core
UE4Editor_Core
UE4Editor_RenderCore
UE4Editor_RenderCore
UE4Editor_Core
UE4Editor_Core
kernel32
ntdll

2

Updated my engine from 4.20 to 4.23 to fix one specific problem but got a new problem: The one as explained by adrix1498 above. Works fine in editor but trying to go fullscreen mode results into this. I just noticed this issue after packaging my (almost complete) project as usual and then trying to play it.

It’s a shame I didn’t notice any issues when going from 4.20 to 4.23 and did many fixes to my game afterwards and now it seems like I might have revert back to my old 4.20 backup with the old obscure problems from which I was able to get away from with 4.23.

Still writing this in hopes someone might know how to fix this.