To keep your iPod Touch working properly, you sometimes need to update it. Or, you may need to restore the device to factory settings, especially if you want erase everything off of your iPod. A problem may occur when you try to do this. While the specific error message may vary by device, you usually receive an update or restore error message. And, your iPod will stop updating or refreshing.
You first want to see if you have the latest version of iTunes. This often causes the above error message. In Windows, go to Help and Check for Updates. On a Mac, go to iTunes and Check for Updates. If your iTunes is not the current version, your computer will download the latest updates.
If this doesn’t resolve the problem, try updating your computer with the latest firmware updates. You usually have to restart your computer after adding these updates. You probably want to restart your computer anyway as this may also clear the error.
Also, verify that you have the correctly configured your security settings. If necessary, update your settings. iTunes must be able to communicate with the main server. Go into your Internet Properties, and uncheck the box labeled “Check for server certificate revocation" if it’s checked. Also make sure that either the Use SSL 3.0 or Use TLS 1.0 box is checked. Click OK to apply the changes.
Always remove other devices from your computer when trying to update your iPod Touch. These devices can interfere with how your iPod communicates with your computer.