Everyone knows that you're supposed to defragment your Windows hard drives regularly, right? A defragmented hard drive means quicker access times, less bugginess, and all-around healthier drives. Even ...

Q. When I defragment my C drive, the graph goes only to 10 percent before I get a message that says the drive's content changed. How can I correct this problem? Q. When defragmenting, drive C gets to ...