Can't uninstall UE4

Hey guys, I downloaded Unreal last night and am getting an error when trying to launch (LS-0019-IS-PQR3010) so I thought I’d uninstall it and reinstall. The problem is the uninstall button is apparently in the library which you can only get to if you launch the program. I’ve tried searching for the app in Windows but it doesn’t appear as a program I can delete. Any ideas?