What defines active table when PHPRunner opens

I was wondering, when PHPRunner opens and you go straight to the Events section. PHPRunner is highlighting my User table in the left panel of Tables.

I have run into situations where I have had to reset the pages for User, which is a bit of a pain because I have customised some of the User pages. THerefore the reset forces me to make the changes again. Its happened twice in the last month.
I have a table called Access, which would be great if PHPRunner would open and default to Access rather than the User table. If I have to reset Access, it is not an issue as I do not have anything custom on it.
Is there some file somewhere that holds the active table information.

Ver 5.1 2503