Dism Error 87 Fixed [upd] May 2026

DISM Error 87 Fixed: A Comprehensive Guide to Resolving the Issue

Final working command reminder (copy this): dism error 87 fixed

  • Using unsupported options for OS:

    While seeing "The parameter is incorrect" can be alarming, DISM Error 87 is usually a simple matter of formatting permissions DISM Error 87 Fixed: A Comprehensive Guide to

    Right-click Command Prompt and select Run as administrator . Re-type the command in the elevated window. 3. Start the Windows Modules Installer Service Using unsupported options for OS: While seeing "The

    1. Right-click the Start button and select Windows PowerShell (Admin).
    2. Run the same DISM command: 
      DISM /Online: /Cleanup-Image /RestoreHealth