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... :)
(esconder) Se passar com o rato no ícone de nível de inscrição de um jogador, surge um pequeno texto com os seus detalhes. (pauloaguia) (mostrar todas as dicas)