first off, you have to allow limewire port in firewall and fully uninstall limewire in go to hard drive and to program files and delete lime wire from there if it says try again restart computer and then delete file,.. also your router password will be:,password . if you have linksys there is no username and password,is password if its netgear it username: admin password is password some linksys,routers have username as admin and password as admin or no username and password as admin, and some other routers work the same.. flip the router over and info to login to router should be there or its on the back of router depending on what router you have,, this is coming from computer I.T. and Security, now back to the limewire once its uninstalles and files are deleted both the old and a new one you can reinstall limewire no matter what version it is and it will work as long as you allow the program and alow the port to come through inbound and outbound or something like that of the firewall thats where you allow the port to limewire for both and make sure u allow all connection one adn d publice private and the other third box for internet is checked on in and outbound of the firewall amd name the connection limewire port for both in and outbound of the firewall these settings are under advaced settings for the firewall if you have more questions please dont be affraid to email me at *email address removed for your own protection & to comply with the Forum Rules* and ask any questions