Hi Sean. Thanks for your patience and attention to this issue. I’ve captured the following video for you: CTRL+C or CTRL+SHIFT+C in the log console hangs the UE4 process - YouTube
I started a just saved blank project (no source control, SteamVR plugin disabled - just to be sure those aren’t the culprit) in the UE4Editor with the -log option and pressed CTRL+C in the log console window once. That closed the editor window but left the log console window open and the editor process hanging without any way to stop it other than killing it with the task manager.
The video ends a few seconds after I pressed CTRL+C. I get the same results if I press CTRL+SHIFT+C.