After substituting the system-provided Firefox (3.6.x, IIRC) with Firefox 7 downloaded from mozilla site, the system didn't experience the problem anymore. I'll keep an eye on it in the next few days, though.
After substituting the system-provided Firefox (3.6.x, IIRC) with Firefox 7 downloaded from mozilla site, the system didn't experience the problem anymore. I'll keep an eye on it in the next few days, though.