If you can't start the Epic Games Launcher and you see a blinking icon on your taskbar, try these steps to try and fix the issue:
Note: Some players on Windows 8 or 8.1 have reported downgrading their Nvidia driver version from 451.67 to 446.14 resolves this issue. If you are on Windows 8 or 8.1 and have a blinking Launcher, you can try this, too.
If the above steps don't resolve your issue, make sure that you install any Windows Updates on your computer. For steps on how to do this click here.