Gmail Manager NG

5 ਤਾਰਿਆਂ ਵਿੱਚ 5 ਮਿਲੇ

ਵੱਲੋਂ negronomicon ਦਸੰ 1, 2014 ਤੇ · ਪਰਮਾਲਿੰਕ

I've 3 gmail account. always worked.
but now, for 1 only of these, always returns zero messages in "button area" despite if I click and see new messages unread inside. Any suggestions?
(I use firefox 33.1.1 italian language, under windows xp sp3.)