Check the message for steps
Some error codes and alert messages have a More Information button. Click it to learn what to do first.
Update your computer or iTunes
Check your settings and your security software
You might need to change your settings or update your security software (such as antivirus, firewall, or malware blocker software) if it’s causing an issue.
Turn off your computer, then turn it on again. If you get the message when you connect your iPhone, iPad, or iPod touch, restart both your device and your computer.