my vegas crashes once i deliver video file to my project. new problem, this sort of crashing makes the software unusable. the software has always been unstable but not this absurdly so.
... particularly in relation to point C.1 re a detailed MediaInfo report about your media.
Also, Steam versions of Vegas Pro operate in some respects under a different universe to MAGIX retail versions of Vegas Pro, so have you asked your question on either or both of Steam Support or the Steam Community (i.e. Steam's forum).