I understand that you are having some issues in order to set up your Slingbox PRO-HD for Internet Viewing on your Windows XP computer.
We do apologize for the inconvenience this might represent for you. However, we must update our equipment and services according to the current technologic trends. With this in mind, I encourage you to check this link in order to get all the information about the supported Operating System and web browser versions.
What browsers are supported by Watch on Slingbox.com?