Proceeding with the operation will erase contents of your hard drive.

I install window XP in system now I am trying to open any drive when I do double click at any drive then I receive below error. I am very confused about this error because if I do very small mistake I can lose all data. Please if any one knows its proper solution tell me.

Warning
Proceeding with the operation ‘Delete’ will erase the contents of your hard drive.
What do you wish to do?
