[ Error] iTunes 3259 and How to Fix It

The Causes of iTunes Error -3259

Generally speaking, error -3259 happens when security software installed on your computer conflicts with iTunes doing things like connecting to the iTunes Store or syncing with an iPhone or iPod. There are dozens (or hundreds) of security programs and any of them could theoretically interfere with iTunes, so it's difficult to isolate the exact programs or features that cause problems. One common culprit, though, is a firewall that's blocking connections to the iTunes servers.


Get started

Before changing your security software's setup:
  • Make sure that the date, time, and time zone are set correctly on your computer. 
  • Log in to an administrative user account, not a guest account.
  • Make sure that you have the latest version of iTunes.
  • Update OS X or Windows.
  • Update your security software.
If your device isn't recognized, find more information on what to try if your iPhone, iPad, or iPod isn't recognized in iTunes for Mac or Windows.
If you're still having trouble, continue to the next section.

Test your connectivity

Check your hosts file to make sure that it's not blocking iTunes from communicating with Apple's servers.
If you’re having issues using AirPlay, Home Sharing, iTunes, or Remote, test the connectivity between the computers or devices in your house. They should be connected to the same network and subnet in order to function properly.
If you're still having trouble, continue to the next section.

Test your security software

If you still have trouble after you test your connectivity, your security software could be interfering with your computer's connection with iTunes.
In some cases, it might be necessary to temporarily remove your security software to isolate an issue. Some Internet security apps don’t uninstall completely, so you might need to download and run a cleanup utility for your security software for it to be completely removed.
Work with your security software provider to allow the complete list of ports and services that Apple products use or if you need help with uninstalling their software.

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