{"id":5238,"date":"2025-04-01T09:42:31","date_gmt":"2025-04-01T09:42:31","guid":{"rendered":"https:\/\/www.kaashivinfotech.com\/blog\/?p=5238"},"modified":"2025-07-19T10:34:39","modified_gmt":"2025-07-19T10:34:39","slug":"how-to-fix-the-401-unauthorized-error-5-easy-solutions","status":"publish","type":"post","link":"https:\/\/www.kaashivinfotech.com\/blog\/how-to-fix-the-401-unauthorized-error-5-easy-solutions\/","title":{"rendered":"\ud83d\ude80 How to Fix the 401 Unauthorized Error: 5 Easy Solutions"},"content":{"rendered":"<p>Encountering a <strong>401 Unauthorized error<\/strong> while trying to access a website can be frustrating. Whether you\u2019re managing your own website or visiting another, this error can block access and disrupt your workflow. The good news? It\u2019s usually easy to fix!<\/p>\n<p>In this guide, we\u2019ll explain what the <strong>HTTP 401 error<\/strong> means, why it happens, and how you can fix it quickly.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter wp-image-5250 size-large\" src=\"https:\/\/www.kaashivinfotech.com\/blog\/wp-content\/uploads\/2025\/04\/WhatsApp-Image-2025-04-01-at-12.02.32-1-1024x741.jpeg\" alt=\"401 Unauthorized error\" width=\"1024\" height=\"741\" srcset=\"https:\/\/www.kaashivinfotech.com\/blog\/wp-content\/uploads\/2025\/04\/WhatsApp-Image-2025-04-01-at-12.02.32-1-1024x741.jpeg 1024w, https:\/\/www.kaashivinfotech.com\/blog\/wp-content\/uploads\/2025\/04\/WhatsApp-Image-2025-04-01-at-12.02.32-1-300x217.jpeg 300w, https:\/\/www.kaashivinfotech.com\/blog\/wp-content\/uploads\/2025\/04\/WhatsApp-Image-2025-04-01-at-12.02.32-1-768x556.jpeg 768w, https:\/\/www.kaashivinfotech.com\/blog\/wp-content\/uploads\/2025\/04\/WhatsApp-Image-2025-04-01-at-12.02.32-1-1536x1112.jpeg 1536w, https:\/\/www.kaashivinfotech.com\/blog\/wp-content\/uploads\/2025\/04\/WhatsApp-Image-2025-04-01-at-12.02.32-1-432x313.jpeg 432w, https:\/\/www.kaashivinfotech.com\/blog\/wp-content\/uploads\/2025\/04\/WhatsApp-Image-2025-04-01-at-12.02.32-1-1300x941.jpeg 1300w, https:\/\/www.kaashivinfotech.com\/blog\/wp-content\/uploads\/2025\/04\/WhatsApp-Image-2025-04-01-at-12.02.32-1.jpeg 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<hr \/>\n<h2>\ud83d\udd25 <strong>Key Highlights<\/strong><\/h2>\n<blockquote>\n<ul>\n<li><strong>What is a 401 Unauthorized error?<\/strong><\/li>\n<li>Common causes of an <strong>HTTP 401 error<\/strong><\/li>\n<li><strong>5 effective ways<\/strong> to fix the issue<\/li>\n<li>Tips to prevent this error in the future<\/li>\n<li><strong>Step-by-step troubleshooting guide<\/strong><\/li>\n<\/ul>\n<\/blockquote>\n<hr \/>\n<h2><\/h2>\n<h2>\ud83d\udea8 <strong>What is the 401 Unauthorized Error?<\/strong><\/h2>\n<p>The <strong>401 Unauthorized error<\/strong> is an HTTP status code that means your request to a web-page has been rejected due to missing or incorrect authentication credentials. Simply put, the server doesn\u2019t recognize you as an authorized user, so it blocks your access.<\/p>\n<p>This error can appear in various forms:<\/p>\n<blockquote>\n<ul>\n<li><em>401 Authorization Required<\/em><\/li>\n<li><em>HTTP 401 Error \u2013 Unauthorized<\/em><\/li>\n<li><em>Access Denied<\/em><\/li>\n<li><em>401 Unauthorized<\/em><\/li>\n<\/ul>\n<\/blockquote>\n<p>The <strong>HTTP 401 error<\/strong> is similar to the <strong>403 Forbidden error<\/strong>, but there\u2019s a key difference:<\/p>\n<ul>\n<li><strong>401 Unauthorized Error:<\/strong> Authentication is required but failed.<\/li>\n<li><strong>403 Forbidden Error:<\/strong> Authentication is successful, but access is still denied.<\/li>\n<\/ul>\n<p>If you\u2019ve encountered this issue, don\u2019t worry\u2014let\u2019s dive into why it happens and how to fix it.<\/p>\n<hr \/>\n<h2>\ud83d\udd0e <strong>What Causes the 401 Unauthorized Error?<\/strong><\/h2>\n<p>&nbsp;<\/p>\n<p>The <strong>401 Unauthorized error<\/strong> can be triggered by several factors, including:<\/p>\n<blockquote>\n<ul>\n<li><strong>Incorrect Login Credentials<\/strong> \u2013 Wrong username or password.<\/li>\n<li><strong>Expired Session or Token<\/strong> \u2013 Authentication tokens may have expired.<\/li>\n<li><strong>Corrupt Browser Cache &amp; Cookies<\/strong> \u2013 Old cache data can cause login issues.<\/li>\n<li><strong>URL Errors<\/strong> \u2013 Trying to access a restricted or incorrect URL.<\/li>\n<li><strong>Firewall or Security Restrictions<\/strong> \u2013 Some sites block unauthorized access.<\/li>\n<li><strong>Incompatible Plugins<\/strong> \u2013 Browser or WordPress plugins might interfere.<\/li>\n<\/ul>\n<\/blockquote>\n<p>Now, let\u2019s explore <strong>5 easy ways<\/strong> to fix this issue.<\/p>\n<hr \/>\n<h2>\ud83d\udee0 <strong>How to Fix the 401 Unauthorized Error (5 Easy Solutions)<\/strong><\/h2>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-5251 size-large\" src=\"https:\/\/www.kaashivinfotech.com\/blog\/wp-content\/uploads\/2025\/04\/WhatsApp-Image-2025-04-01-at-12.02.32-3-1024x512.jpeg\" alt=\"401 Unauthorized error\" width=\"1024\" height=\"512\" srcset=\"https:\/\/www.kaashivinfotech.com\/blog\/wp-content\/uploads\/2025\/04\/WhatsApp-Image-2025-04-01-at-12.02.32-3-1024x512.jpeg 1024w, https:\/\/www.kaashivinfotech.com\/blog\/wp-content\/uploads\/2025\/04\/WhatsApp-Image-2025-04-01-at-12.02.32-3-300x150.jpeg 300w, https:\/\/www.kaashivinfotech.com\/blog\/wp-content\/uploads\/2025\/04\/WhatsApp-Image-2025-04-01-at-12.02.32-3-768x384.jpeg 768w, https:\/\/www.kaashivinfotech.com\/blog\/wp-content\/uploads\/2025\/04\/WhatsApp-Image-2025-04-01-at-12.02.32-3-432x216.jpeg 432w, https:\/\/www.kaashivinfotech.com\/blog\/wp-content\/uploads\/2025\/04\/WhatsApp-Image-2025-04-01-at-12.02.32-3.jpeg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<h3>1\ufe0f\u20e3 <strong>Double-Check Your Login Credentials<\/strong> \ud83d\udd11<\/h3>\n<p>One of the most common reasons for a <strong>401 Unauthorized error<\/strong> is incorrect login details. Here\u2019s how to fix it:<\/p>\n<blockquote>\n<ul>\n<li>Verify your <strong>username and password<\/strong>.<\/li>\n<li>Reset your password if you\u2019ve forgotten it.<\/li>\n<li>If using an authentication token, ensure it&#8217;s <strong>valid and not expired<\/strong>.<\/li>\n<\/ul>\n<\/blockquote>\n<p>If your login details are correct and the issue persists, move to the next solution.<\/p>\n<hr \/>\n<h3>2\ufe0f\u20e3 <strong>Clear Browser Cache &amp; Cookies<\/strong> \ud83d\uddd1<\/h3>\n<p>Your browser stores cache and cookies to speed up site loading, but old cache files can interfere with authentication, causing an <strong>HTTP 401 error<\/strong>.<\/p>\n<h4>\ud83d\udccc <strong>How to Clear Cache &amp; Cookies in Chrome:<\/strong><\/h4>\n<ol>\n<li>Open <strong>Chrome<\/strong> and click the <strong>three-dot menu<\/strong> (top-right).<\/li>\n<li>Select <strong>Settings<\/strong> &gt; <strong>Privacy &amp; Security<\/strong>.<\/li>\n<li>Click <strong>Clear Browsing Data<\/strong>.<\/li>\n<li>Check <strong>Cookies and other site data<\/strong> and <strong>Cached images and files<\/strong>.<\/li>\n<li>Click <strong>Clear Data<\/strong> and restart your browser.<\/li>\n<\/ol>\n<p>For other browsers, follow similar steps under their settings menu.<\/p>\n<hr \/>\n<h3>3\ufe0f\u20e3 <strong>Check the URL for Mistakes<\/strong> \ud83d\uddd0<\/h3>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-5252 size-full\" src=\"https:\/\/www.kaashivinfotech.com\/blog\/wp-content\/uploads\/2025\/04\/invalid-URL.gif\" alt=\"401 Unauthorized error\" width=\"579\" height=\"250\" \/><\/p>\n<p>A simple <strong>URL mistake<\/strong> can trigger a <strong>401 Unauthorized error<\/strong>. If you\u2019re trying to access a restricted or incorrect URL, the server may reject your request.<\/p>\n<blockquote>\n<ul>\n<li><strong>Double-check the URL<\/strong> you entered.<\/li>\n<li><strong>Ensure the page isn\u2019t restricted<\/strong> (some require admin access).<\/li>\n<li>Open the URL in <strong>incognito mode<\/strong> to see if the error persists.<\/li>\n<\/ul>\n<\/blockquote>\n<hr \/>\n<h3>4\ufe0f\u20e3 <strong>Disable Browser Extensions &amp; Plugins<\/strong> \ud83e\udde0<\/h3>\n<p>Certain browser extensions, especially security-related ones, can interfere with authentication and cause an <strong>HTTP 401 error<\/strong>.<\/p>\n<h4>\ud83d\udd27 <strong>How to Disable Extensions in Chrome:<\/strong><\/h4>\n<ol>\n<li>Open <strong>Chrome<\/strong> and go to <strong>chrome:\/\/extensions\/<\/strong>.<\/li>\n<li>Disable all extensions one by one.<\/li>\n<li>Refresh the page and see if the error disappears.<\/li>\n<\/ol>\n<p>If disabling a particular extension fixes the issue, consider removing it permanently.<\/p>\n<hr \/>\n<h3>5\ufe0f\u20e3 <strong>Flush Your DNS &amp; Reset Network Settings<\/strong> \ud83c\udf10<\/h3>\n<p>Sometimes, DNS (Domain Name System) settings cause authentication errors. Resetting your DNS can help fix the <strong>error<\/strong>.<\/p>\n<h4>\ud83d\udd04 <strong>How to Flush DNS on Windows:<\/strong><\/h4>\n<ol>\n<li>Press <strong>Windows + R<\/strong>, type <code class=\"\" data-line=\"\">cmd<\/code>, and press <strong>Enter<\/strong>.<\/li>\n<li>Type the following command and hit <strong>Enter<\/strong>:\n<pre><code class=\"language-bash\" data-line=\"\">ipconfig \/flushdns\n<\/code><\/pre>\n<\/li>\n<li>Restart your computer and try accessing the website again.<\/li>\n<\/ol>\n<p>For <strong>Mac users<\/strong>, open <strong>Terminal<\/strong> and type:<\/p>\n<pre><code class=\"language-bash\" data-line=\"\">sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder\n<\/code><\/pre>\n<p>Then press <strong>Enter<\/strong>.<\/p>\n<hr \/>\n<h2>\ud83c\udfc6 <strong>Bonus Tips to Prevent the 401 Unauthorized Error<\/strong><\/h2>\n<p>To <strong>avoid future 401 errors<\/strong>, follow these best practices:<\/p>\n<p><strong>Use strong passwords<\/strong> and update them regularly \ud83d\udd10<\/p>\n<p><strong>Enable two-factor authentication (2FA)<\/strong> for extra security \ud83d\udee1<\/p>\n<p><strong>Keep your browser and plugins updated<\/strong> \ud83d\udd04<\/p>\n<p><strong>Use a <a href=\"https:\/\/azure.microsoft.com\/en-us\/resources\/cloud-computing-dictionary\/what-is-vpn\" target=\"_blank\" rel=\"noopener\">VPN<\/a> if your IP is blocked<\/strong> \ud83d\ude80<\/p>\n<p><strong>Monitor your website\u2019s security settings<\/strong> (for website owners) \ud83d\udee1<\/p>\n<hr \/>\n<h2>\ud83c\udf1f <strong>Final Thoughts<\/strong><\/h2>\n<p>The <strong>401 Unauthorized error<\/strong> can be annoying, but it\u2019s usually easy to fix. By following the <strong>5 solutions<\/strong> above, you should be able to resolve the issue quickly.<\/p>\n<h3><strong>\ud83d\udca1 Quick Recap of Fixes:<\/strong><\/h3>\n<p><strong>Check your login credentials<\/strong><\/p>\n<p><strong>Clear browser cache &amp; cookies<\/strong><\/p>\n<p><strong>Verify the URL<\/strong><\/p>\n<p><strong>Disable extensions &amp; plugins<\/strong><\/p>\n<p><strong>Flush DNS &amp; reset network settings<\/strong><\/p>\n<p>If you continue to face the <strong>HTTP 401 error<\/strong>, consider reaching out to the website owner or your hosting provider.<\/p>\n<p>Did these solutions help? Let us know in the comments! \ud83d\udcac\ud83d\udc47<\/p>\n<hr \/>\n<h2>\ud83d\udc49 <strong>Related Articles<\/strong><\/h2>\n<p>\ud83d\udcc5 <a href=\"https:\/\/www.kaashivinfotech.com\/blog\/types-of-website-errors-troubleshooting-101\/\">Types of Website Errors: Troubleshooting 101 \u2013 What They Mean and How to Fix Them<\/a><br \/>\nBy following these steps, you can easily troubleshoot and fix the <strong>401 Unauthorized error<\/strong> and regain access to your desired webpage. Happy browsing! \ud83c\udf89\ud83d\ude80<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Encountering a 401 Unauthorized error while trying to access a website can be frustrating. Whether you\u2019re managing your own website or visiting another, this error can block access and disrupt your workflow. The good news? It\u2019s usually easy to fix! In this guide, we\u2019ll explain what the HTTP 401 error means, why it happens, and [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":5287,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2499],"tags":[3950,3958,3964,3948,3946,3951,3959,3962,3947,3956,3965,3955,3952,3949,3960,3954,3953,3963,3957,3961],"class_list":["post-5238","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-how-to","tag-401-error","tag-401-error-fix","tag-401-errors","tag-401-unauthorized","tag-401-unauthorized-error-in-postman","tag-error-401","tag-fix-401-error","tag-get-rid-of-401-error","tag-how-to-fix-a-401-error","tag-how-to-fix-an-internal-server-error","tag-how-tosolve-api-cors-error","tag-solution","tag-solutions","tag-tomcat-401-unauthorized","tag-unauthorized","tag-vlc-error-code-401-unauthorized-200-fix","tag-vlc-player-error-code-401-unauthorised-200","tag-what-is-a-401-error","tag-wordpress-401-authorization-required","tag-wordpress-error-401-explained"],"_links":{"self":[{"href":"https:\/\/www.kaashivinfotech.com\/blog\/wp-json\/wp\/v2\/posts\/5238","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kaashivinfotech.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kaashivinfotech.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kaashivinfotech.com\/blog\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kaashivinfotech.com\/blog\/wp-json\/wp\/v2\/comments?post=5238"}],"version-history":[{"count":0,"href":"https:\/\/www.kaashivinfotech.com\/blog\/wp-json\/wp\/v2\/posts\/5238\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kaashivinfotech.com\/blog\/wp-json\/wp\/v2\/media\/5287"}],"wp:attachment":[{"href":"https:\/\/www.kaashivinfotech.com\/blog\/wp-json\/wp\/v2\/media?parent=5238"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kaashivinfotech.com\/blog\/wp-json\/wp\/v2\/categories?post=5238"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kaashivinfotech.com\/blog\/wp-json\/wp\/v2\/tags?post=5238"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}