Computers, Laptops & Tablets Apple What Is iTunes Error 3259 and How to Fix It Resolve this common iTunes error on Windows and Mac By Sam Costello Writer Sam Costello has been writing about tech since 2000. His writing has appeared in publications such as CNN.com, PC World, InfoWord, and many others. our editorial process Facebook Twitter Sam Costello Updated January 11, 2020 Apple, Inc. Apple Macs iPad Tweet Share Email When connecting to iTunes, you may encounter error 3259, which is usually accompanied by one of the following notifications: "iTunes could not connect to the Store. An unknown error occurred (-3259). Make sure your network connection is active and try again.""There was an error downloading your music (-3259).""Cannot connect to the iTunes Store. An unknown error has occurred." Information in this article applies to the desktop version of iTunes for Mac and Windows. Causes of iTunes Error 3259 The iTunes error 3259 can occur when connecting to the iTunes Store or syncing with an iPhone or iPod. Potential causes include: Poor internet connectionOutdated system settingsSecurity software installed on your computer, such as a firewall, could be conflicting with iTunes. How to Fix iTunes Error 3259 Try connecting to iTunes again after following each of the below steps. If you're still getting the error, move on to the next option. Update your time settings. Make sure that your computer's date, time, and timezone settings are all correct as iTunes checks for this information. It's possible to change date and time settings on Mac and Windows. You must log in to your computer's admin account to change system settings. Check your network connection. Confirm that your internet connection is working properly. Update iTunes. Make sure you update iTunes to the latest version so that you have the latest bug fixes. Update your OS. Make sure you've got the latest updates for Mac or updates for your Windows PC. Update your security software. Security software includes things like antivirus programs and firewalls. Disable or uninstall your security software. Test all of your security programs one at a time to isolate which is causing the problem. If turning off your firewall resolves the issue, check out Apple's lists of ports and services that are required for iTunes and add rules to your firewall configuration allowing exceptions for them. Change your system's HOSTS file. Make sure connections to Apple servers aren't being blocked by your system's HOSTS file. If you're not comfortable with the command line, Apple has a helpful article about editing your HOSTS file. Contact Apple. If none of these steps fixed the problem, set up an appointment at the Genius Bar of your local Apple Store, or contact Apple Support online.