It didn't happen again, probably because I have installed the flash plugin where I used to have just totem's plugin (that's what the attachment says, I don't really remember).
I'll try again as soon as I remove flashplugin-nonfree and restart firefox.
It didn't happen again, probably because I have installed the flash plugin where I used to have just totem's plugin (that's what the attachment says, I don't really remember).
I'll try again as soon as I remove flashplugin-nonfree and restart firefox.