How can I fix my fortnite crashin on loading up?

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

Fatal error: [File:Unknown] [Line: 826]
Rendering thread exception:
Fatal error: [File:Unknown] [Line: 251]
Result failed
at D:\Build++Fortnite+Release-4.4.x+Full\Sync\Engine\Source\Runtime\Windows\D3D11RHI\Private\D3D11Viewport.cpp:304
with error 8876017C

0x00007ffdcac2a388 KERNELBASE.dll!UnknownFunction []
0x00007ff7bd1373b9 FortniteClient-Win64-Shipping.exe!UnknownFunction []
0x00007ff7bd0cd8eb FortniteClient-Win64-Shipping.exe!UnknownFunction []
0x00007ff7bd0991b8 FortniteClient-Win64-Shipping.exe!UnknownFunction []
0x00007ff7bd53a831 FortniteClient-Win64-Shipping.exe!UnknownFunction []
0x00007ff7bd529fba FortniteClient-Win64-Shipping.exe!UnknownFunction []
0x00007ff7bd5314c1 FortniteClient-Win64-Shipping.exe!UnknownFunction []
0x00007ff7bd991f6b FortniteClient-Win64-Shipping.exe!UnknownFunction []
0x00007ff7bd98f792 FortniteClient-Win64-Shipping.exe!UnknownFunction []
0x00007ff7bdaf0c1a FortniteClient-Win64-Shipping.exe!UnknownFunction []
0x00007ff7bdaf2420 FortniteClient-Win64-Shipping.exe!UnknownFunction []
0x00007ff7bd010791 FortniteClient-Win64-Shipping.exe!UnknownFunction []
0x00007ff7bd9b0752 FortniteClient-Win64-Shipping.exe!UnknownFunction []
0x00007ff7bd9b07d8 FortniteClient-Win64-Shipping.exe!UnknownFunction []
0x00007ff7bd10e327 FortniteClient-Win64-Shipping.exe!UnknownFunction []
0x00007ff7bd10b73c FortniteClient-Win64-Shipping.exe!UnknownFunction []
0x00007ffdce173034 KERNEL32.DLL!UnknownFunction []
0x00007ffdce451431 ntdll.dll!UnknownFunction []

“You do not have any debugging symbols required to display the callstack for this crash”