Crash Log - Fortnite & UE4

Attached is my log file. Please help troubleshoot.

(I ran the troubleshoot in the Epic Games Launcher, and all requirements checked out.)

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Tried installing the unreal engine. That crashed when running also. I noticed both fortnite and ue4 had the same error message thrown at the end.

LogD3D11RHI: Error: Result failed
at D:\Build++Fortnite+Release-4.5+Full\Sync\Engine\Source\Runtime\Windows\D3D11RHI\Private\D3D11Viewport.cpp:304
with error 8876017C

I’ve seen some comments on here closing previous questions with similar problems to consult the fortnite faq (which doesn’t have appear to address this issue), and it seems like it exists for UE4 as well)

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Hi there,

This website is intended for UE4 developers to get technical assistance with game development, please direct all Fortnite issues/questions to one of the following.

If you are experiencing issues with Fortnite such as crashes or account issues please visit [Fortnite Help][1]. There you will find various troubleshooting articles that will help you fix your issue. If you are still unable to resolve your issue please use the [Contact Us][2] form to get in touch with the Epic support staff who can assist you further. Be sure to include as much information as you can regarding your issue so support staff can get you back up and running as quickly as possible.

For any general questions, help with Fortnite gameplay, or discussions related to the game, please visit the [Fortnite Forums][3].

Thank you