Thank you for taking the time to report this bug and helping to make Ubuntu better. Can you answer these questions:
Is this issue reproducible? If so, which are the steps that lead to it? Which Firefox extensions do you have installed?
Also can you try with a new profile? Instruction is at https://wiki.ubuntu.com/MozillaTeam/Bugs/ under 'try with a new profile'
This will greatly aid us in tracking down your problem.
Thank you for taking the time to report this bug and helping to make Ubuntu better. Can you answer these questions:
Is this issue reproducible? If so, which are the steps that lead to it?
Which Firefox extensions do you have installed?
Also can you try with a new profile? Instruction is at https:/ /wiki.ubuntu. com/MozillaTeam /Bugs/ under 'try with a new profile'
This will greatly aid us in tracking down your problem.