Getting iTunes error 3004 or 3194 while updating iPhone 4 and 4S to iOS 7. Here is the solution!! (windows 7 only)
- Make sure you have newest iTune installed
- Goto C:\Windows\System32\drivers\etc
- Make new folder here
- Move all files to new folder
- Now try again
VOILA!!! It works no more stupid Errors… 100% Tested by Me..