Windows XP help!

OK is there a way of activating the scan disc thing earlier versions of Windows had, cos XP seems not to have it.
You know that if you don't shut down you pc properly and you start him up again it runs down this program repairing damaged data and stuff.
Please help me cos my PC is getting slower and slower and says he's got damaged files.
Thanks in advance.
You know that if you don't shut down you pc properly and you start him up again it runs down this program repairing damaged data and stuff.
Please help me cos my PC is getting slower and slower and says he's got damaged files.
Thanks in advance.