You start a disk check with the chkdsk utility, but after sometime, you get the warning “Insufficient disk space to correct errors...” The same error also appears when checking the hard disk from boot media, and even after reinstalling the operating system. Unfortunately, this error often signals that things have gone too bad for your hard disk, unless the chkdsk is wrong - which may also happen. In some complicated cases, this integrated utility needs more space to work in. That is why you should remove the disk you need to check from the computer in doubt, and connect this disk to another PC which you know is fine, and run the checking operation there. As practice shows, this method of checking may result in issues.