Those scripts are just your browser introducing itself. They do not include anything else.
Please make sure you have filled-in the Password and Router-IP fields correctly in the LiveHeader page. Use admin as the username.
The script recorder adds a proxy for IE that records the data going back and forth between IE and the router. That proxy is the what you are seeing as Localhost:8972. That usually means that the Router IP is incorrect.
If the script recorder still does not record anything useful, please start JDownloader using the
Posting an Emergency Log procedure and try recording again. The procedure tells you how to attach the data to a message.