You encounter Failed to load administrator rule file while installing SAPGUI


  1. This is the error message

  2. Uninstall SAP GUI
  3. Remove all instance of MSXML4.0
  4. Reboot windows
  5. Download MSXML 4 SP3 from Microsoft Website
    ( http://www.microsoft.com/downloads/en/details.aspx?FamilyID=7F6C0CB4-7A5E-4790-A7CF-9E139E6819C0 )
  6. Reinstall SAP GUI again