Improve the performance of XP and Vista--at least a little bit--by running its built-in disk defragmenter with your choice of command switches. Dennis O'Reilly began writing about workplace technology ...

For decades, desktop and laptop owners have been told to defragment their hard drives to get the best performance, especially on Windows-based PCs. Defragging reorganizes the drive so the operating ...

Q: I have a Windows 10 computer, and the defragmenter command has stopped working on it. I tried running it as an administrator, but it still would not run. I also tried going to the C drive to ...