I get to the first step of the install adn my Screen reads "initializing Sling Accounts... and it goes no further.
What should I do??
Have you tried to Reset the plugin using Watch at slingbox.com, try this and it should fix this issue that you are experiencing,
Resetting the Watch on Slingbox.com plugins for Internet Explorer (ActiveX) and Firefox
Let me know how that works.
Retrieving data ...