elp !!!!!pls ,,,,,,,,,somebody ! on "data error <cyclic redundancy check > problem

[timsimp]

so ,,, i tried to do cut and paste !!!!!!! ( from secondary disk to main hard disk )

and it kept showing me " data error ( cyclic redundancy check )

some files can be trnsfered but lots of them not working and showing this error message !!!!!

someone pls help !!!!!!!!!!!111