What is disk defragmentation?

Ok, I don't know a whole lot about computers when it comes to cleanups and defraging them. Can I run both disk clean up and d...

Help!!! When I click on disk defragmenter and click defrag a message comes up "Disk defragmenter could not start" and I have ...

Have you ever done this to your computer? how long does it take? will it do anything bad to your comp?

I have this burned disks that can work in most dvd players is there a way I can put them on youtube because they're awesome a...

I've lost the disk for my logitech webcam and I need to install it...how can I do that without the disk??

Every time I try to download a song, it says "Disk Problem." It was working before but now it's not. What happened and how do...

I have a windows xp computer.I went to turn it on today and it said 'disk read error ,press ctrl+alt+delete to restart'I didn...

The total size of my hard drive is 250gb, and it's divided into 4 that is local disk (c), e,d and f. my disk (c) is 29gb. ...

My computer is sayin that I dont have any space on disk c & I've tried to clean it up but it just anit workin

I have music on the disk but I need to delete a few songs. Someone told me if I'm using vista I just need to press the dele...