Remember that SoftEther is a powerful but complex tool. Error Code 1 is rarely a bug in the software itself—it is almost always an environmental conflict between the VPN client and your operating system or network. With patience and this guide, you will regain your VPN connection.
is a “stuck handshake” error – the client and server understand each other’s language but cannot agree on the rules of conversation. In 80% of cases, the solution is either recreating the VPN connection , resetting the virtual adapter , or removing conflicting software . Only rarely does it require a full OS or server reconfiguration. softether vpn client error code 1