Need help for my mistake

I cant sleep 3 days what wrong with me? How to fix launcher unreal crash . I doing the same at fixing guide stay crashing. Than i uninstall all folder and reinstall stay crash. What wrong with me . I am 20 year old indie game learner from Myanmar. I cant import Vriod file too. Before i use my unreal character from vriod studio after crashing i cant import file. I use correctly vrm4u from githud and same engine version. I really need help .