How can I uninstall a Windows 2000 service pack?

A. One of the great points of Windows 2000 service packs are the improvements in the uninstall area and to uninstall from the GUI perform the following:

  1. Start the Add/Remove Programs control panel applet (Start - Settings - Control Panel - Add/Remove Programs)
  2. Select Windows 2000 SP1 (for example, works with all versions)
  3. Click Change/Remove
    Click here to view image
  4. Follow the instructions and reboot as needed

To uninstall from the command line perform the following:

  1. Open a command prompt (cmd.exe)
  2. Move to %systemroot%\$NtServicePackUninstall$\spuninst
  3. Run spuninstl.exe
  4. Close the command prompt by typing exit
  5. Follow the instructions

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