It should be possible to install the SW without initializing the cluster. That way you may be in a better position to troubleshoot the issue. Complete the installation, then use initdb to initialize a cluster. Have a look at this url too -
We are having a problem installing Postgres 9.3 on Windows 7 pro.
The installation freezes and you can leave it running overnight without any error messages.
The Bitrock log's last entries are:
[14:45:43] Removing the existing ldconfig setting - set during the previous installation. [14:45:43] Running the post-installation/upgrade actions: [14:45:43] Write the base directory to the ini file... [14:45:43] Write the version number to the ini file...
The program (User interface) says "Database cluster initalisation" or something like that
We've tried uninstalling and reinstalling, as well as installing to a different drive. Checked permissions on the data directory..