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Re: App Store update error 311 on GM Sierra
penmanila Sep 15, 2016 2:45 AM (in response to imneo)same here, been trying for a few days now, still no go with the itunes update. am now on 10.12 beta ver. 16A313a.
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Re: App Store update error 311 on GM Sierra
jasonzig Sep 15, 2016 8:30 AM (in response to penmanila)+1
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Re: App Store update error 311 on GM Sierra
TobySimkin Sep 24, 2016 3:13 AM (in response to penmanila)+1. annoying.
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Re: App Store update error 311 on GM Sierra
TestingPatience Sep 16, 2016 2:28 PM (in response to imneo)Had the same issue, all I had to do was redownload from iTunes.com/download. 12.5.1 downloaded and launched fine.
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Re: App Store update error 311 on GM Sierra
imneo Sep 16, 2016 8:57 PM (in response to TestingPatience)Thanks for the tip.
I re-downloaded and re-installed the GM release, and I'm surprised to find the the build number was changed from 16A319 to 16A323. But still getting same error.
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Re: App Store update error 311 on GM Sierra
Robin Lee Sep 20, 2016 8:42 PM (in response to TestingPatience)I've considered this way too but how could I reinstall an cononical app ?
And it showed nothing when I open http://www.apple.com/itunes/download/?ref=http://itunes.com
I have got to end up with updating by AppStore again..
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Re: App Store update error 311 on GM Sierra
Robin Lee Sep 20, 2016 8:28 PM (in response to imneo)Ditto..
I have met this exception from El Capitan 10.11 to current Sierra.
It compelled me to upgrade my iPhone6 via OTA..
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Re: App Store update error 311 on GM Sierra
s7v7nislands Sep 20, 2016 9:02 PM (in response to imneo)+1
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Re: App Store update error 311 on GM Sierra
kelvinsu Sep 23, 2016 10:15 PM (in response to imneo)I've encountered the same here. The error happend even before I update to MacOS Sierra and continues after the OS upgraded. All other apps could be updated smoothly, except for the itunes 12.5.1.
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Re: App Store update error 311 on GM Sierra
ilFanatico Sep 30, 2016 1:35 PM (in response to imneo)I had the exact same issue...and I had it before and after the Sierra upgrade.
I solved it (but I am not sure if it will work for you too): it seemed to be related to my iTunes store account. I opened iTunes and entered in the iTunes store with my account. Then I started the download again; it asked me to close iTunes; I closed it...and the download went smooth. Problem solved for me. Strange things
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Re: App Store update error 311 on GM Sierra
enso2 Jul 20, 2017 7:13 PM (in response to ilFanatico)ilFanatico's procedure worked for me too. I signed into iTunes. Then closed it. Then went back to iTunes update. The update went smoothly. No error code 311. Simple fix. Thank you.
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Re: App Store update error 311 on GM Sierra
bbaldridge Aug 17, 2017 11:42 AM (in response to ilFanatico)ilFanatico is right
I had the very same issue updating to iTunes to 12.6.2 using the App Store. I simply logged out of the App Store using the Store menu without closing the store. I just logged out and tried again. Presto! Worked without a hitch.
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Re: App Store update error 311 on GM Sierra
appleuseritalia Oct 3, 2016 11:26 PM (in response to imneo)The best practice is here: http://www.appleuser.it/sierra-errore-impossibile-verificare-itunes-311-su-mac-app-store-soluzione/