[GENERAL] PostgresSQL 8.4 to 9.0 on Windows 7

[Twaha Daudi]

Hello all,
Iam newbie here and have been trying to install postgresSQL 8.4 to 9.0 on
windows 7 home premium (64).I would like to talk  with tomcat
6.0.33.Sometimes it works but it does not communicate to tomcat.What could
be the problem?
thanks in advance
cheers