SOAP ui and proxy settings

Here my error logs in SOAP ui:

Fri Jun 28 17:21:51 CEST 2013:ERROR:Network Error for Version Update or Proxy
Fri Jun 28 17:21:51 CEST 2013:ERROR:java.net.UnknownHostException: dl.eviware.com
java.net.UnknownHostException: dl.eviware.com
at java.net.PlainSocketImpl.connect(Unknown Source)
at java.net.SocksSocketImpl.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at sun.net.NetworkClient.doConnect(Unknown Source)
at sun.net.www.http.HttpClient.openServer(Unknown Source)
at sun.net.www.http.HttpClient.openServer(Unknown Source)
at sun.net.www.http.HttpClient.<init>(Unknown Source)
at sun.net.www.http.HttpClient.New(Unknown Source)
at sun.net.www.http.HttpClient.New(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.connect(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
at com.eviware.soapui.support.SoapUIVersionUpdate.getLatestVersionAvailable(SoapUIVersionUpdate.java:96)
at com.eviware.soapui.support.SoapUIVersionUpdate.checkForNewVersion(SoapUIVersionUpdate.java:261)
at com.eviware.soapui.SoapUIPro$SoapUIProRunner.run(SourceFile:1443)
at com.eviware.soapui.SoapUIPro.main(SourceFile:251)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.exe4j.runtime.LauncherEngine.launch(Unknown Source)
at com.install4j.runtime.Launcher.main(Unknown Source)