when i try to scan barcode for individual or group my camea hangs pls suggest
first backup ur phone. then reload latest firmware with loder. check and post replay
here is how to reload firmware with loader tutorial...
install desktop manager and os for ur phone. then restart ur pc.now go to
C:\Program Files\Common Files\Research In Motion\AppLoader. delete vendor.xml file
now double click on loader {in same folder} remove your simcard and battery.connect cable to pc and on phone.loader will detect ur phone.you can see your pin there.or unknown pin will show.now follow the steps.it will take approximately 10 minutes.
I suggest doing what Shan says and then let us know how you get on.