How to Fix Error 3194

How to fix the iTune or iPhone error 3194 well the fix is the nothing to do with operating systems, however make sure the hardware is functioning properly like the USB port, date cable and pins

Follow the below Steps:

•  90% of the time the error lies in the hosts file wondering what hosts file is?
•  To open your hosts file, in Mac OS X this is /etc/hosts and in Windows operating systems this is c:\windows\system32\drivers\etc\hosts
•  Open file name hosts ,if your on window 7 you can’t make change to the file directly within the folder so make a copy of it on desktop area and the try to replace it in the c:\windows\system32\drivers\etc\hosts
• To the following lines in the end of the file
• 74.208.105.171 gs.apple.com
•  Restart your PC and try Restoring your iPhone, if doesn’t work try different USB Port or PC instead.
•  Sometime just restarting the PC does  the magic

Also check out  how to put your iPhone in DFU mode