If the problem is due to fixing screws going to deep into the frame and touching the glass, isn't it worth check for that before fitting a screen?
The general feeling was that it wasn't the screws at the dealers and I'd like to think they were aware of that one but who knows, this current screen has certainly outlasted the others even having withstood impacts.
2009 4/4 Henrietta 1999 Indigo Blue +8 2009 4/4 Sport Green prev 1993 Connaught Green +8 prev