having an issue with the select style ( plumbing fixtures ) dialog box.. I have set al tool palettes & windows to be locked and the select style keeps resizing to a smaller window each time.
it never did this in 2014 when i have the lock all on any thoughts.

acad MEP 2015.PNGsmall window each time i select a plumbing fixture
Resized Window.PNG window that i have re-sized and locked but always reverts back to the upper