Every time I start a new project, Vegas Pro 12 always defaults to ACES RTT (sRGB) on View Transform parameter. I have continuously set it to OFF and checked the box "start all projects with these settings" but to no avail.
Is there a way to keep it OFF when starting new projects?
I think the reset Vegas to defaults is cntl+shift+click start vegas. This resets Vegas to install defaults. Not sure why your vegas is not saving that default project when the check box is selected, that issue could the issue.
This is starting to sound like a Bug. You are the User, your expectations and actions are counter to what you are getting. I'd call that a Bug. It would need somebody to investigate the possibility that the Menu isn't "correcting" the internal settings for the Default Factory position.
I remember 12 had this bug and it was very irritating. I had a work around which was to save a blank project with the settings I wanted. My memory is not so great on this but thought that they fixed the bug in the last version prior to 13. It is definitely fixed in 13.