Firstly, the existence of the Path would be there from previous installation, of which PG thinks data is already present.
Secondly you should have logged in as another user and not administrator, e.g postgres which can be even a part of domain.
Luckys
Data directory error: The specified data directory is not empty
If you have an existing database with teh same major version number,you do not need to initialise a database cluster. If you have an existing database with the same major version you need to backup your old database and create a new one.
why this warning actually arises.If I install by unchecking the initialise database cluster then the next three steps of installation procedure is not shown.It goes directly installation and starts installation after some time a fatal error arises saying accont not matching.................... and rolls back.i have tried it with lots of account names and lot of super user names.The steps i was talking about are as per the given link.
