BUG #8125: server connecting error

The following bug has been logged on the website:

Bug reference:      8125
Logged by:          Pradip Patel
Email address:      pradip29@gmail.com
PostgreSQL version: 9.0.0
Operating system:   Windows
Description:        =


i have a backup of only the "data" folder of postgres and my serer was
crashed  now i m trying to install thesame version of postgres and restore
that file but after that i m unable to connect with postgres server =


that showing me the following error

""could not connect to server: Connection refused (0x0000274D/10061) Is the
server running on host "localhost" and accepting TCP/IP connections on port
5432? ""