During the PostgreSQL installation process, it states the Account Name is invalid. Now the PostgreSQL can not be installed.
Note: This generally only happens during a 2nd installation of PostgreSQL.
Run the attached .bat file and continue the installation. .Bat File
Simply change the Account Name to something else:
Warning!!! Do not change the "Account Domain" under any circumstances.
On later versions of PostgreSQL, it is necessary enter an Account Password to continue the PostgreSQL installation process.