The UE4-ConanSandbox Game has crashed and will close
Fatal error:
[File:C:\B\tech_exiles\code\Engine\Source\Runtime\Windows\D3D11RHI\Private\D3D11Util.cpp] [Line: 181]
Unreal Engine is exiting due to D3D device being lost. (Error: 0x887A0006 - ‘HUNG’)
Yes I did message before it is quite common especially with unreal, you can try looking here as there are a few solutions that may work for you.
If they do can you post what worked for you so that others can benefit from this also.