I can't launch UE4.6.1

I asked the same question and supplied the bug reports inside, in the link


I still need the answer, please help!

Hi aabun,

Duplicate report: I can't launch UE4.6.1 after uninstall, reboot, reinstall - Getting Started & Setup - Epic Developer Community Forums

We will be closing this post in order to focus the discussion in one place. Technicians are assigned to your other post and are investigating the issue.