Eriisa: If you really thing that your registers has crashed and other problems cannot be fixed, the only way how to solve this problem is reinstallation.
Perhaps, you can try to find some appropriate utilities to fixed your register on XP and it could help.
What did you mean with "no desktop icons"? It sound strange to me... :)
(verberg) U kunt uw vrienden direct een bericht versturen door ze op te nemen in uw Vriendenlijst en vervolgens op het envelopje achter hun naam te klikken. (pauloaguia) (laat alle tips zien)