When you install the engine for the first time, If you do not have a C:\ drive at all in the end engine returns some errors on creating some project folders. However engine works fine and uses the proper drive too

Seems like the engine on first install tries to install some files on C:\ exclusively although you have selected another Drive plus in case you do not have a C:\ drive it returns errors BUT it still uses the correct drive.

Nobody to mark this under investigation?

PS: It’s not urgent so at least note it to close down this ticket.