ERROR 1045 (28000): Access denied for user 'admin'@'127.0.0.1' (using password: YES)

This means either:

1) you have the wrong username for your mysql superuser, please see this article:

2) you have the wrong password for your mysql superuser, please see this article:

3) You have skip-name-resolve enabled in mysql, please see this article:

4) You have skip-networking enabled in mysql, please see this article:

5) mysql is not listening on the IP address you configured, please check this setting in mysql:

bind-address

And use that IP address with the ASL installer.