Thanks for using our Answers Forum. I understand that your cursor has changed to a plus sign and is unresponsive while you are on Watch at Slingbox.com. It sounds like this could be being caused by some Smart Web Printing software. I would recommend locating that software on your control panel and uninstalling it, that should resolve the issue.
This could be caused by a conflict with that particular software and Watch.
Hope this helps.
Sling Moderation Team