TS3772: iTunes 10.5 or later for Windows: Older media files may require QuickTimeLearn about iTunes 10.5 or later for Windows: Older media files may require QuickTime
Currently Being ModeratedMay 16, 2013 5:19 PM (in response to yousifketo)
You will have to restore from recovery mode following the steps in http://support.apple.com/kb/HT1212 and may need to follow that procedure more than once.
Currently Being ModeratedMay 16, 2013 5:20 PM (in response to yousifketo)
Locked Out, Forgot Lock or Restrictions Passcode, or Need to Restore Your Device
8. RecBoot: Easy Way to Put iPhone into Recovery Mode - if all else fails.
Forgotten Restrictions Passcode Help
If this method does not work, then you will need to fully Restore your
device as New
Also, see iTunes- Restoring iOS software.