unreal engine 5 crash Processing NDI Lib x64

i’m trying to add an actor on my level but it hang and crash.
PLEASE HELP!

this is error after ue5 is crash.

Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0x000005cf43946700

Processing_NDI_Lib_x64
Processing_NDI_Lib_x64
Processing_NDI_Lib_x64
Processing_NDI_Lib_x64
Processing_NDI_Lib_x64
Processing_NDI_Lib_x64
Processing_NDI_Lib_x64
Processing_NDI_Lib_x64
Processing_NDI_Lib_x64
Processing_NDI_Lib_x64
Processing_NDI_Lib_x64
Processing_NDI_Lib_x64
kernel32
ntdll