dont uninstall any antivirus and firewall, just disable it. If you are paranoid about viruses disconnect from the internet after downlading the client (NOT web installer), disable virus scanners and spyware detectors and install. when you are done einable reconnect and see what happens. The reason subspace wont work is because of the new fesatures in continuum, in many zones there is a setting enabled to stop subspace from connecting.