My Pc Freezes and goes kaboom after 2 seconds of launching clean unreal blank scene. Why?

Development Rendering
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LoginId:fb1f9ec04b71d4dd5a297aa8c7a79659
EpicAccountId:60b69c929dff4d3c8353c9a02730b143

Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0xffffffffffffffff

UE4Editor_CoreUObject
UE4Editor_UdpMessaging
UE4Editor_UdpMessaging
UE4Editor_UdpMessaging
UE4Editor_UdpMessaging
UE4Editor_Core
UE4Editor_Core
UE4Editor_Core
UE4Editor_RenderCore
UE4Editor_WindowsMoviePlayer
UE4Editor_WindowsMoviePlayer
UE4Editor_WindowsMoviePlayer
UE4Editor_Core
UE4Editor
UE4Editor
UE4Editor
UE4Editor
UE4Editor
kernel32
ntdll