Well, I tried all three.
Number 1 worked when I tried to create and save a new scenario. However, I can't figure out how (if) I can save the old scenario I was working on, and it is still acting weirdly in this regard.
When I run Campaigns Forever as an administrator, the old scenarios do not appear. When I run it as a non-administrator, however, they do (still get the errors I mentioned earlier). I tried 2 & 3, but the files did not appear. They only appear when I'm working on a new scenario as a non-administrator and I click on, say, change issue icon. They do appear in the window that