gO To PaSt WiTh ThIs TrIcK

3.Simple method for restore your computer in earlier time.a powerful window option can do it,you can try it also,go to start....
go to all programs=>accessories=>system tools=>then select system restore here you can select a date for restore your computer when you select your date of restore point, window will confirm you.
Ok then ur window will restore u can go past of ur pc with this trick.