My UE 5.4 crash when I try to launch it

Development Getting Started & Setup
,
1

I need help !
I didn’t find an answer on the net.
My UE crash the first time I try to run it and all the time after with this error message :

Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0x00007ff900000280

D3D12Core
D3D12Core
D3D12Core
D3D12Core
UnrealEditor_D3D12RHI
UnrealEditor_D3D12RHI
UnrealEditor_D3D12RHI
UnrealEditor_D3D12RHI
UnrealEditor_D3D12RHI
UnrealEditor_D3D12RHI
UnrealEditor_D3D12RHI
UnrealEditor_D3D12RHI
UnrealEditor_RHI
UnrealEditor
UnrealEditor
UnrealEditor
UnrealEditor
UnrealEditor
UnrealEditor
kernel32
ntdll

So why ?