Error 3194 is usually because SHSH were not available to iTunes during the restore. But if you are at Recovery Mode you can always try program TinyUmbrella to allow it to try Exit Recovery button. If that does not work. Then you must restore and allow SHSH to be used. If you are going with stock firmware 4.3.3 then you can allow iTunes to do everything for you. But you must make sure you are not blocking Apple from signing the firmware with Apple SHSH. Therefore use TinyUmbrella program, go to "Advanced" and make sure there is "no check mark" in the box "set hosts to Cydia on exit". Again no check in the box. If you don't want to use TinyUmbrella, then search for your computer Hosts file and make sure there are no lines with numbers and gs.apple.com (this is the blocking Apple line), delete these lines entirely. If your Hosts file is clean then let iTunes restore for you. If you have iPad baseband then you will need to restore with Custom Firmware, Pwned DFU and possibly help from TinyUmbrella.