I’m from an admin background and love the granular control of shares and security that come with Windows Server products and Windows 2000 Professional.  In Windows XP Microsoft wanted to simplify the process with Simple File Sharing.  To turn this rubbish off:

  1. Open My Computer
  2. Pull down the Tools menu, click Folder Options, and then click the View tab
  3. Navigate to the Advanced Settings section, and uncheck Use Simple File Sharing
  4. Click OK