We recommend you to be as specific as possible about the issue you are having. This way, other forum users will be able to help you with accurate information.
If you are not able to connect from a remote location, try reconfiguring the Internet Viewing manually using the following link:
However, if you are not able to connect to the Slingbox locally, check the lights on your Slingbox and proceed from there.
I hope that helps, otherwise come back with more information.