My Nvidia card needs 300 minimum to 500 for an early Nvidia graphics card
Regedit -->TdrDelay = 600
Then follow an old post
[RESOLVED] Issue with New Installations of UEFN - General / Announcements - Epic Developer Community Forums
dont use -dx12 -sm6
use -dx11 -sm5 UEFN does not NEED tDX12 his and dont use NVidia SLI or DLSS.
Ue5.5 UEFN does not support the and the support has been removed
finally try
Any version crash!!! - Development / Programming & Scripting - Epic Developer Community Forums
There is a patch in Latest EPGL Launcher 17.1 gives UEFN 32.11