I have recorded in .mov format on a GH3 1920 x 1080 50MPS Intra and one of the files on the card is corrupt it's abour 1.5GB in size and wont play backm any ideas how i can recover it ???

don't stress!

DONT' DO ANYTHING with the card

there are plenty of utilities to recover the data - I use RecoverMyPhotos from getdata but there are others - do a search on this site, there are plenty of answers to this problem

Thanks Paul, kind of guessed that I need to buy a utility to do this,I will have a hunt around thanks.