Comment 3 for bug 584513

Yes, when I turn off desktop effects, I see the firefox window is coming up beneath the window that had the focus beforehand. I do not get this behavior on another computer of mine, also running Lucid. So, let's see if we can figure out what the computers doing this have in common...

I'm not an expert, but it seems like there's probably just some setting being messed up somewhere, somehow, possibly by a script from some package being installed. Operating on that theory, we can rule out the base system packages as being the immediate cause of the problem...

Could everyone experiencing this problem please run

dpkg -l &> package_list.txt

and then attach the file package_list.txt (which will then contain a list of packages installed on your computer)? Then we'll see what those computers have in common but my computer not experiencing this problem doesn't