Comments on: Error: “…user name, organization or serial number is missing or invalid…” when you start Photoshop CS2 (Mac OS) http://photoshopnews.com/2005/07/27/error-user-name-organization-or-serial-number-is-missing-or-invalid-when-you-start-photoshop-cs2-mac-os/ The latest news about the top pixel wrangling application on the planet. Mon, 17 Jun 2013 17:17:09 +0000 hourly 1 http://wordpress.org/?v=3.5.1