Also you can always open ShixxNOTE communication port "2000" manually in "Local area connections" - "Advanced tab". If you don't know how write me and I will help you.
If you have any problems with sending or receiving notes in program, check your firewall settings first. If you didn't fix the problem ask your network administrator to help you.
And finnaly write me if you have any problem regarding sending and receiving notes, or any other problems with program.