Run it from a terminal, and see if the output helps.
Thanks for prompt response,
Run from terminal and output from attempts to RDP connect via internet, via local network and SSH via local network. Googling the errors does not help.
user1@microstar:~$ remmina
Remmina plugin VNC (type=Protocol) registered.
Remmina plugin VNCI (type=Protocol) registered.
Remmina plugin RDP (type=Protocol) registered.
Remmina plugin RDPF (type=File) registered.
Remmina plugin RDPS (type=Preference) registered.
Remmina plugin SFTP (type=Protocol) registered.
Remmina plugin SSH (type=Protocol) registered.
Gtk-Message: GtkDialog mapped without a transient parent. This is discouraged.
loading channel cliprdr
tcp_connect: getaddrinfo (No address associated with hostname)
Error: protocol security negotiation or connection failure
Gtk-Message: GtkDialog mapped without a transient parent. This is discouraged.
Gtk-Message: GtkDialog mapped without a transient parent. This is discouraged.
Gtk-Message: GtkDialog mapped without a transient parent. This is discouraged.
loading channel cliprdr
tcp_connect: getaddrinfo (No address associated with hostname)
Error: protocol security negotiation or connection failure
Gtk-Message: GtkDialog mapped without a transient parent. This is discouraged.
Gtk-Message: GtkDialog mapped without a transient parent. This is discouraged.
Gtk-Message: GtkDialog mapped without a transient parent. This is discouraged.
loading channel cliprdr
tcp_connect: getaddrinfo (No address associated with hostname)
Error: protocol security negotiation or connection failure
Gtk-Message: GtkDialog mapped without a transient parent. This is discouraged.
Gtk-Message: GtkDialog mapped without a transient parent. This is discouraged.
loading channel cliprdr
tcp_connect: getaddrinfo (No address associated with hostname)
Error: protocol security negotiation or connection failure
Gtk-Message: GtkDialog mapped without a transient parent. This is discouraged.
Gtk-Message: GtkDialog mapped without a transient parent. This is discouraged.