Windows xp proffessional 2002 sp3 help?

my automatic updates dowloaded xp3 and god knows how many times it has crashed.I have errorrs MSDTS RUNNING INVALID nto file system corrupt Nll.disk.utility.on the volume c warnings and errorr reports cannot run spybot scan as it shuts my pc off got starware as my homepage that I never changed its driving me mad any help out there