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Cannot view column of inbox messages
I have two Firefox email systems. One works perfectly. The other suddenly stopped showing the screen of inbox messages. I can scroll over the blank space and the messag… (了解更多)
I have two Firefox email systems. One works perfectly. The other suddenly stopped showing the screen of inbox messages. I can scroll over the blank space and the message will display in the lower part of the monitor, but not in the upper screen of subjects, sender, date. How do I return to default setting?