401 Error

[Michael]

401 Error code shows for Authentication or authorization to access the page.
In this error, User has to fill User Name & password to get into the web page.

 

[James]

It is basically denying you access to the password protected web pages of the web site you are attempting to navigate.

 

[preetisoft2]

It occurs when page does not exist on the site or deleted from the site because of some reasons.

 

[davidweb09]

This error occurs when admin want to prevent his website from your access.