Hi guys i have recently updated my Nokia 7210 Supernova Software through Nokia Pc Suit.
The update was successfullly completed but after completion when i started to use my mobile then i found a huge problem in it.Everything was fine but whenever i tried to use camera and try to snap photos then...
May be your pc is infected by some virus.
Because i have also faced the same thing but that was due to virus only.
Try to install AVG Antivirus Free Edition And Scan your PC or Reinstall YOur Windows.