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Calendar slow/unresponsive after Mountain Lion update

9241 Views 37 Replies Latest reply: Dec 11, 2013 7:13 AM by Ferd II RSS
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MetallicAsh Level 1 Level 1 (0 points)
Currently Being Moderated
Aug 1, 2012 9:14 AM

I downloaded and installed OS X Mountain Lion when it came out but ever since the update the now called Calendar is so and unresponsive. For example, when I swipe or click to go to another week I get the "beach ball" and then it moves a couple of seconds later. Same with scrolling up and down. The problem goes away when turning off my iCloud calendars but then Calendar is useless to me without it.


Any ideas?

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