It seems that you are having some issues when trying to update the Slingbox firmware version.
First, make sure to get a hard-wired connection between the Slingbox and the home router (try to avoid using the SlingLinks or the wireless bridge). Once you get solid lights on your Slingbox, go to setup.slingbox.com. Right there, you will be able to start the setup process and you will be able to update the Slingbox firmware version (if necessary). The following links will provide you with the steps to follow:
Just make sure to follow the included recommendations and let us kno how it works for you.