ALT key issue and FS9

[BadKarmaPT 48]

Hello,I recently got a new HP w2408 24" monitor and I am now running FS9 at 1680*1050 but I'm having an issue I hope someone can help me with.I am also running XP SP2 and the latest Catalyst drivers (8.4) for my Sapphire HD3870 X2.When I press "Fly" my screen turns black for a few seconds before the load progress bar shows and even when it shows it has no background (that white frame surronding the progress bar).During flight every time I press the ALT key to access the menu (I'm running full screen) the screen turns black for a few (2 or 3) seconds before showing the menu bar on top. When I run Radar Contact 4 with ADV display, every time I press the key to open or close the RC4 window the screen also turns black for a few seconds before opening or closing that small window I have docked on the top left of my screen.I know this is not a big issue but you've got to agree it is a bit annoying having your screen always turning black before something actually happens.I tried different drivers and resolutions but that didn

[BadKarmaPT 48]

Just found out this only happens in full screen mode.For now I'll have to run FS9 in window mode. :-(Regards,