5d iii problem
Can not see your example - but it might be the same problem that has been reported here several times. See the following post (and there are others like it):
It is most likely the card reader. As someone above said - if you can read it on the camera than the card reader is having issues with the card.
|DSC_9643 by NOWHITELENS|
from Best Photo of the Week
|Thailand Sunrise by ozziebadger|
from Ships and Boats