thrown error on creating new server - Mailing list pgadmin-support

dear sir,

i installed  postgresql-8.1.5-1 in my machine .but i cant create a new server.bu using File>Add server.

i will thrown an error  given below

 

could not connect to server: Connection refused (0x0000274D/10061) Is the server running on host "192.168.0.172" and accepting TCP/IP connections on port 6045?

 

 

so give solution for these problem as soon as possible

 

thanks in advance