webmin error, unable to login

["Deboo ^" <knowledgeful@gmail.com>]

I just installed webmin. After installtion when I try
http://localhost:10000, webmin asks for user/password but denies access
to root. I created anotehr user in /etc/webmin/miniserv.users but that
user also unable to login and later I get:

Error - Access denied for 127.0.0.1. The host has been blocked because of too many authentication failures.

What needs to be done?

Regards,
Deboo
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