SoftEther VPN User Forum

Hi guys,
I'm having a trouble with this issue since I downloaded the client and ran through it
It worked on my old pc but it doesn't work on new pc...
Error says...
Error (Error Code:2 ):
Protocol error occurred. Error was returned from the destination server.
Every server is not working either
Please help...

[attachment=0]errorscr.PNG[/attachment]

Are these client PC on same LAN?
Do you use any firewall or security software?