The architectural inefficiencies that I described are characterized by messages between Flash Player and Firefox becoming so numerous that they overwhelm the operating system and either don't all get delivered or they arrive out of order, such that Flash Player or Firefox will hang waiting on a response that will never come. This is what's causing the menu in the browser application itself to flicker. My guess here is that you've got a stuck key, and it's generating a large number of input events. The 64-bit variant includes a native NPAPI sandbox for Flash Player (older versions of Firefox lacked effective plug-in sandboxing, so we tacked our own sandbox on, but it's inherently inefficient because of the necessary architecture), and it solves the majority of the general stability problems. If it does persist, you might try again with the bare minimum of stuff plugged in - mouse/keyboard, or nothing if it's a laptop (and if it's a laptop, check the laptop keyboard too.)Īlso, if you're not using 64-bit Firefox (it's not the one you get by default under most circumstances), I would highly recommend switching. Also, this would be a great time to reboot (actually power the machine and everything attached down for a minute and then power it back up), to see if the flickering persists. If that doesn't work, I'd love to see a screen capture of the flickering menu.
The pulsating menu is the interesting symptom, and probably doesn't have anything to do with us.
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