Screen redraw problems with Firefox & Notes 8 -- or other big GUI apps? Here's a possible bandage... (Andrew's Blog 10/08/2008)
Switching between applications — particularly Firefox along with either Notes 8, DDE, Photoshop, Visual Studio, or other highly graphical applications — seems to produce screen redraw problems after a while. The screen only partly re-draws, leaving the application that was last up “ghosted” on the screen. … I believe the reason for the ghosting is because you’re running out of these handles. If that’s true, the following fix should help…
(trying this; we’ll see?)