Please check you TraderAgent version. If it is older than 2.6.0 please upgrade it.
You can download the latest version from our site http://darkmoonfx.com/traderagent

Please note, the filename has been changed to TraderAgent.ex4 from IceFX.TraderAgent.ex4!


If you have up-date-version and message appears, the error message means that TraderAgent has a problem with the internet connection to reach our license server. 

If you use antivirus or malware/spyware, please add terminal.exe, TraderAgent.dll to exceptions.