My Windows Xp Proffesional Version Is Automatically Deleting The Files On Desktop Only And When I Restored My Files From C.disk And Kept It On Desktop And Deleted The Files Which I Have Copied Then I Turned Off And Started My Pc Again The Files Are Gone And I Can Not See Anywher It Is Happening Always When I Turned On My Pc What To Do Please Help Me There Are Important Files

First, don't keep any files on your desktop, keep them in folders. Second, make sure you have a backup plan in place. Third, XP has been sunsetted and is no longer supported, so you would be better off upgrading.