Hi,

       You would have been searching for the solution for this.  Its simple.  Do the following steps:

1. Go to My Computer
2. Right Click the Ipod Device
3. Go to Properties
4.  Go to Tools.
5.  Error Checking - Check Now
6.  Click on both the option
7. The disk will check for errors and will fix the errors.

          This is easy, ain't it?
Happy playing with Ipod.

Charu