How to Fix Error 3194 when Restoring to Stock / Custom 4.3.3 IPSW Firmware

If you got error 3194 while upgrading your iPhone 4, 3GS, iPod touch 4G, 3G or iPad to stock or custom iOS 4.3.3 ipsw firmware, iH8sn0w has just mentioned a way to fix this problem.

Removing Cydia’s SHSH Caching Server to fix 3194 error:
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• Download TinyUmbrella from http://thefirmwareumbrella.blogspot.com
• Launch it.
• Click on the “Advanced” tab.
• Uncheck “Set Hosts to Cydia on Exit”
• Click on “Apply Changes”
• Reboot your PC/Mac.