|Seems some of the file got corrupt. the best way is to format them. that way u donot have to takeout the hdd.|
there is alternate way..
take out your hdd and make it secondary Hdd on other computer and runof your disk c: partation.. that may be e: f: depends on how many partation does Primary has.
there is other way also if you donot have ideas of Hardwares,. download rescue disk like (kaspersky, Nod32, bitdefender) which is Bootable. Boot from that cd and Run above command..chkdsk /f