This has come up 3 times to my knowledge, with no obvious solution. It seems to affect Mac OSX 10.12
https://support.mozilla.org/en-US/questions/1148013
https://support.mozilla.org/en-US/questions/1147997
https://support.mozilla.org/en-US/questions/1148910
Bug reports -
This has come up 3 times to my knowledge, with no obvious solution. It seems to affect Mac OSX 10.12
https://support.mozilla.org/en-US/questions/1148013
https://support.mozilla.org/en-US/questions/1147997
https://support.mozilla.org/en-US/questions/1148910
Bug reports -
https://bugzilla.mozilla.org/show_bug.cgi?id=1283573
https://bugzilla.mozilla.org/show_bug.cgi?id=1315752