I tried the solution that was suggested above, but it didn't work for me. CPU load explodes even after enabling the Global Menu addon, and Firefox becomes irresponsive for a couple of minutes. This repeats whenever I type some command in HUD. My only solution was to disable the Global Menu addon, I am missing the feature, but at least I can keep browsing the internet...
I tried the solution that was suggested above, but it didn't work for me. CPU load explodes even after enabling the Global Menu addon, and Firefox becomes irresponsive for a couple of minutes. This repeats whenever I type some command in HUD. My only solution was to disable the Global Menu addon, I am missing the feature, but at least I can keep browsing the internet...