A 403 message usually means the server correctly receives your request for a page, but based on the server settings and restrictions, decides to take no action on your request – effectively denying you access to that page.
What’s the problem?
- You try to log into WordPress with your username and password in the WordPress admin login page.
- You receive an error message informing you that “You are not authorized to view this page. (403 error)”
How to solve a 403 error when logging into WordPress
If your website is hosted through a Windows-operated server, the problem could be an error with the Directory Indexes. You should enable your Index.php as follows: