Normally, upgrading your iPhone to a new version of the operating system or restoring from a backup is a fairly smooth process. Follow a few steps and in a few minutes your device will be up and running again. However, in some cases, you may encounter Error 3194 in iTunes or on your devices. When that happens, you will not be able to upgrade or restore your iPhone or iPad. How to fix Error 3194 is not clear, but this article provides step-by-step instructions.
SOLUTION – How to Fix Error 3194 iTunes | iPad | iPhone | iPod | iTouch
Update iTunes. If you see error 3194 in iTunes, your first step to fix it is a simple one: update iTunes to the latest version. While this isn’t the most likely cause and probably won’t fix the problem, it’s quick and easy and worth a try. It’s possible that something in an old version of iTunes is blocking the connection you need.
Check your network connection and security software. Since error 3194 is often a network issue, you should check that there is nothing on your network or in its configuration that is causing the problem. To do this, try the following:
Edit your hosts file. If updating iTunes didn’t work, try editing your hosts file. This is quite complicated, so if you’re not very tech-savvy, find someone who can help you.