iTunes: How to fix error 3004

If error 3004 appears in iTunes, the update or restore from the iOS device cannot be performed. We'll show you how to solve the problem.

Fix error 3004 in iTunes

• If iTunes cannot establish a connection to the Apple server, error 3004 appears. The reason for this is often a blockage of the servers.
• The blocking is stored in the so-called hosts file. In the following practical tip, we will show you how to edit the hosts file under Windows.
• Look for entries with the word "Apple" within the file. In this case, delete the entire line.

iTunes: Solve problems with error 3004

• iTunes update: If the above instructions are not successful, the cause may be outdated software. Therefore, carry out an iTunes update.
• Software: If you use additional anti-virus software or a firewall installed on your computer, blocking can also occur here. Switch the programs off briefly to try.
• Ports: If that doesn't help either, you can still open two ports in the router. Port 80 and 443 are responsible for the transmission.