Think for a second about how incredible hard drives really are. At last count hard drives are reaching the 500GB+ mark.
Disk errors come in many forms you can eliminate these errors by using Scandisk.
To Run scan disk follow these easy steps Left click on the step to view a image tutorial of the process.
1)Left click on the my computer ICON
2) Right click on the drive you want to scan and left click on properties
3)Left click on the "tool" tab on the resulting dialogue box
4)Left click on check now
5)When the check disk dialogue box is displayed select the automatically fix file system and attempt the recovery
of bad sectors (a check mark should appear next to them) and then left click start.