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google calender synchronisation

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Google calender synchronisation was installed as directed by Matt but now there is nothing but trouble. Constantly repeating messages about the event has been altered - disregard your changes etc. and warnings that my quota (whatever that is) has been exceeded, constantly synchronising 1000 plus events, freezing.... Wish I'd never done it. How do I remove all traces of the calender?

Google calender synchronisation was installed as directed by Matt but now there is nothing but trouble. Constantly repeating messages about the event has been altered - disregard your changes etc. and warnings that my quota (whatever that is) has been exceeded, constantly synchronising 1000 plus events, freezing.... Wish I'd never done it. How do I remove all traces of the calender?

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Both the calendar, Lightning, and whatever you added to perform the sync are add-ons. Go to the add-ons tab and remove them if that is what you want.