I get the following message when I try to connect:
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Initializing Engine...
PD-Proxy VPN, Inc <[email protected]>
Tunnel Engine v2.1.9 Build Date 04/19/2012
Checking internet connection...
Connecting to UDP Server...
Scanning open ports...
Open port 9200 found...
Authenticating...
Authentication server is not responding.
Please try again later.
Tunnel sucesfully terminated!

Click the connect button to start again...
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Can someone please help me out?
BTW: I'm not using an old version