Use the following procedure to totally clean a CalMAN installation from a computer:

  1. On the CalMAN (main menu) > Licensing screen, click the Deactivate button. See this article for steps to deactivate
  2. Uninstall CalMAN in Control Panel / Programs and Features.
  3. Delete CalMAN directories.
    1. Delete the \Documents\SpectraCal\CalMAN directory.
    2. Delete the C:\Program Files (x86)\SpectraCal\CalMAN directory, if it exists.
    3. Delete the C:\ProgramData\SpectraCal\CalMAN directory, if it exists.
      1. To view the Program Data directory, you may need to make hidden folders visible on your computer:
        1. Go to  Control Panel / Folder Options / View tab
        2. Under “Hidden files and folders,” select Show hidden files, folders, and drives.
  4. Delete CalMAN Registry folders.
    1. In the Windows Search or Run box (Windows Start), type “regedit.”
    2. In the Registry Editor, delete the HKEY_CURRENT_USER\Software\Portrait Displays, Inc\CalMAN folder, if it exists.
    3. In the Registry Editor, delete the HKEY_LOCAL_MACHINE\SOFTWARE\Portrait Displays, Inc\CalMAN folder, if it exists.
  5. Done. CalMAN is completely uninstalled.