my iphone 4 every time an error 3194

my iphone 4 when you upgrade the firmware on ios7.0.2 produced an error 3194 ... now my phone is not working ... every time an error 3194 ... I can not update ios and drop naturally I do not Pogue. hosts cleaned, cut off the antivirus ... did everything I recommend in this case ((what do I do? (

on other machines the same ...