[https://support.mozilla.org/en-US/questions/1051488],
[https://support.mozilla.org/en-US/questions/1054542],
[https://support.mozilla.org/en-US/questions/1067851], {{bug|592303}}.)</small>[https://support.mozilla.org/en-US/questions/1069597], {{bug|592303}}, {{bug|1858380}}.)</small>
We recommend you do all of the following: