I have not used my slingbox PRO-HD for about a year. SlingPlayer Desktop app can not find it on my local network. The network light is lit, I know that it has a valid IP address by checking the MAC in the DHCP table in my router and I can ping the SlingBox. When I look in the SlingBox directory it shows a yellow indicator meaning that the SlingBox is not configured. When I try to set up the SlingBox I only get as far as the message "Locating your SlingBox on the network". It goes no further. I might add that the Slingbox horse shoe shaped logo cycles in brightness all the time. Any ideas are appreciated.