some times ur os might be display that the files has been corrupted., if u want to get solution for this problem,

1. Windows XP operating system
2. Windows XP cd

Now, follow this steps:

1. Place the xp cd in your cd/dvd drive
2. Go to start
3. run
4. type in ‘sfc /scannow’ (without the ‘)

Now it should all load, and fix all your corrupted file on win XP.