How to Fix Error 1602 iTunes

Resolution 1: Try the following steps to resolve this error:

  1. Ensure proper USB isolation troubleshooting has been performed, and test with a known-good cable.
  2. Follow the steps listed for Error 1604.
  3. This error may be resolved by disabling, deactivating, or uninstalling third-party security, antivirus, and firewall software. See steps in this article for details on troubleshooting security software.
Resolution 2: Restart computer; change computer; reinstall system.