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can't log in to google calendar after upgrading to thunderbird 45

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can't log in to google calendar after upgrading to thunderbird 45... using Internet Explorer 11. when I try to open Google Cal it says I need to enable cookies,

can't log in to google calendar after upgrading to thunderbird 45... using Internet Explorer 11. when I try to open Google Cal it says I need to enable cookies,

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I suspect this is the Gmail authentication issue. Read here to understand it (the article mentions your point about cookies explicitly): http://kb.mozillazine.org/Using_Gmail_with_Thunderbird_and_Mozilla_Suite