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  1. How to Fix a 401 Unauthorized Error? - GeeksforGeeks

    Jul 12, 2025 · If you're seeing a "401 Unauthorized Error," it means you need to log in with the correct credentials to access the page or resource. Here's how you can fix this error:

  2. How to Fix a 401 Unauthorized Error - Lifewire

    Jul 24, 2024 · It's possible that the 401 Unauthorized error appeared because the URL was typed incorrectly or the link that was selected points to the wrong URL—one that is for authorized users …

  3. 401 Unauthorized - HTTP | MDN - MDN Web Docs

    Jul 4, 2025 · The HTTP 401 Unauthorized client error response status code indicates that a request was not successful because it lacks valid authentication credentials for the requested resource.

  4. How to fix 401 error quickly with 7 effective methods - Hostinger

    Sep 3, 2025 · The 401 Unauthorized error is triggered by unauthenticated requests made to a WordPress web server. Learn how to identify and fix the issue.

  5. 401 error: What is it, common causes and how to fix it

    Dec 3, 2025 · A 401 Unauthorized error means the site is blocking access because your login details are missing or invalid. The error often occurs due to a mistyped URL, outdated browser data, or an …

  6. HTTP 401 Unauthorized: How to Fix, Prevent, Diagnose and Cause

    Dec 27, 2025 · HTTP 401, often referred to as “Unauthorized Error”, is an HTTP status code indicating that the client's request lacks valid authentication credentials. In simpler terms, it means the server …

  7. How to Fix the 401 Error (5 Solutions) - Kinsta®

    Oct 1, 2025 · The 401 error is commonly associated with invalid authentication credentials. Find out more about the causes and fixes.

  8. How to Fix the “401 Unauthorized” Error: The Complete Guide

    Nov 12, 2025 · What is a 401 Error? A 401 Unauthorized error is an HTTP status code indicating that a request could not be authenticated. The server understands the request but refuses to authorize it …

  9. What is HTTP 401 Error and How to Fix it - DEV Community

    Dec 20, 2024 · What is HTTP 401 Error? The HTTP 401 Unauthorized error is a status code 401 returned by the server when authentication fails. It means the server has received your request, but it …

  10. 5 Easy Methods to Fix “401 Unauthorized Error ... - Geekflare

    Apr 7, 2025 · 401 Unauthorized errors can have a significant influence on the browsing experience. Here we will cover effective methods to solve the 401 error.