Thanks mr maddox

[Les]

Originally Posted by Fltlt_HardBall

Try right-clicking on the conf.ini file, select properties, then check the 'read only' box, then select 'ok' or 'apply'. I found this seems to make the settings stick.

Thanks for that, yes, the settings now stick. There is however still no difference between Forest=4 and Forest=3, in terms of tree image quality or amount. Am happy enough with them as they are anyway, so no loss.