{"id":223,"date":"2019-06-14T08:25:11","date_gmt":"2019-06-14T08:25:11","guid":{"rendered":"https:\/\/sectigostore.com\/blog\/?p=223"},"modified":"2020-09-07T11:36:17","modified_gmt":"2020-09-07T11:36:17","slug":"fix-firefox-security-error","status":"publish","type":"post","link":"https:\/\/sectigostore.com\/page\/fix-firefox-security-error\/","title":{"rendered":"How to Fix MOZILLA_PKIX_ERROR_SELF_SIGNED_CERT  Error in Firefox"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">How to Get Rid of \u2018Warning: Potential Security Risk Ahead with MOZILLA_PKIX_ERROR_SELF_SIGNED_CERT\u201d Error in Firefox?<\/h2>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/sectigostore.com\/blog\/wp-content\/uploads\/2019\/06\/computer-error.jpg\" alt=\"\u2018Warning: Potential Security Risk Ahead with MOZILLA_PKIX_ERROR_SELF_SIGNED_CERT\u201d Error in Firefox\" class=\"wp-image-224\"\/><\/figure>\n\n\n\n<p>\u201cMOZILLA_PKIX_ERROR_SELF_SIGNED_CERT\u201d error indicates that the website you are trying to reach is using a <strong><a href=\"https:\/\/sectigostore.com\/page\/what-is-a-self-signed-certificate\/\">self-signed SSL\/TLS certificate<\/a><\/strong>. These type of SSL\/TLS certificates are highly unsecured. None of the browsers, including Mozilla Firefox, trust a self-signed certificate and hence, show a  \u201cMOZILLA_PKIX_ERROR_SELF_SIGNED_CERT\u201d error.  <\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/sectigostore.com\/blog\/wp-content\/uploads\/2019\/06\/image-5.png\" alt=\"\u2018Warning: Potential Security Risk Ahead with MOZILLA_PKIX_ERROR_SELF_SIGNED_CERT\u201d Error in Firefox\" class=\"wp-image-225\"\/><\/figure>\n\n\n\n<p>If you\u2019re a <strong>website owner<\/strong>, remove the self-signed certificate from your server and get a publicly trusted certificate authority (CA)&#8217;s SSL certificate ASAP. It starts from <a href=\"https:\/\/sectigostore.com\/ssl-certificates\/positivessl\">$10\/year and includes a $50,000 warranty<\/a>. <\/p>\n\n\n\n<p>If you\u2019re a <strong>website visitor<\/strong>, you can apply the following methods to get rid of the \u201cMOZILLA_PKIX_ERROR_SELF_SIGNED_CERT\u201d error in Firefox.  You don&#8217;t need to follow all the steps, though. Follow one-by-one steps, until you fix the error. <\/p>\n\n\n\n<div class=\"graysection\">\n<h2>PositiveSSL EV Certificates from $79.84\/year!<\/h2>\n<p>Get the lowest prices on trusted SSL\/TLS certificates from Sectigo brands.<\/p>\n<a class=\"greenbutton\" style=\"text-decoration: none;\" href=\"https:\/\/sectigostore.com\/ssl-types\/ev-ssl-certificates\">Shop for Sectigo SSL Certificates<\/a>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>How to Fix the \u201cMOZILLA_PKIX_ERROR_SELF_SIGNED_CERT\u201d Error in Firefox?<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1.&nbsp;<strong>Continue With an Insecure Connection<\/strong><\/h3>\n\n\n\n<p> You can continue with the insecure connection at your own risk:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Click on&nbsp;<strong>Advanced<\/strong>.<\/li><li>Click on&nbsp;<strong>Accept the Risk and Continue<\/strong>.<\/li><\/ul>\n\n\n\n<p>Note: If you don\u2019t see this option, move on to the next solution.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/sectigostore.com\/blog\/wp-content\/uploads\/2019\/06\/image-33.png\" alt=\"Fix the \u2018Warning: Potential Security Risk Ahead\u2019 Error in Firefox\" class=\"wp-image-266\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2. Add the Site to Your List of Trusted Sites<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Search for&nbsp;<strong>Internet Options<\/strong>&nbsp;in the Windows search bar.<\/li><li>In the pop-up window, click on the&nbsp;<strong>Security<\/strong>&nbsp;tab.<\/li><li>Select&nbsp;<strong>Trusted sites<\/strong>.<\/li><li>Click on the&nbsp;<strong>Sites<\/strong>&nbsp;button to open a new window.<\/li><li>Manually add the URL of the website that is displaying the error message.<\/li><li>Click&nbsp;<strong>Apply<\/strong>&nbsp;and&nbsp;<strong>OK<\/strong>.<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/sectigostore.com\/blog\/wp-content\/uploads\/2019\/06\/image-32.png\" alt=\"Fix the \u2018Warning: Potential Security Risk Ahead\u2019 Error in Firefox\" class=\"wp-image-265\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3. Temporarily Disable Your Antivirus and Firewall<\/strong><\/h3>\n\n\n\n<p>Some antivirus and firewall solutions are sensitive to SSL errors. To address this issue, all you need to do is turn off HTTPS scanning. All antiviruses have different SSL scanning under different names. Find the appropriate setting such as&nbsp;<strong>\u201cHTTPS Scanning,\u201d \u201cScan SSL\u201d, \u201cshow safe result,\u201d \u201cDo not scan encrypted connections,\u201d&nbsp;<\/strong>etc.,and disable it.<\/p>\n\n\n\n<p>If you don\u2019t see any such options, visit the manufacturer\u2019s help section and try to find SSL- and HTTPS-related settings information there.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4.&nbsp;<strong>Clear the SSL State<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Search for&nbsp;<strong>Internet Options<\/strong>&nbsp;in the Windows search bar.<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/sectigostore.com\/blog\/wp-content\/uploads\/2019\/06\/image-30.png\" alt=\"Fix the \u2018Warning: Potential Security Risk Ahead\u2019 Error in Firefox\" class=\"wp-image-263\"\/><\/figure>\n\n\n\n<ul class=\"wp-block-list\"><li>In the pop-up window, select the&nbsp;<strong>Content<\/strong>&nbsp;tab.<\/li><li>Click on&nbsp;<strong>Clear SSL State<\/strong>&nbsp;to clear your SSL cache.<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/sectigostore.com\/blog\/wp-content\/uploads\/2019\/06\/image-31.png\" alt=\"Fix the \u2018Warning: Potential Security Risk Ahead\u2019 Error in Firefox\" class=\"wp-image-264\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>5. Clear Your Browsing History<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Open Firefox and navigate to&nbsp;<strong>Options<\/strong>&nbsp;in the top-right drop-down menu.<\/li><li>Go to<strong>&nbsp;Privacy and Security&nbsp;<\/strong>from the menu bar on the left side.<\/li><li>Click on<strong>&nbsp;Clear Data&nbsp;<\/strong>in the&nbsp;<strong>Cookies and Site Data<\/strong>&nbsp;section<strong>.<\/strong><\/li><li>Select<strong>&nbsp;Clear History.<\/strong><\/li><li>Select all the options and click on<strong>&nbsp;Clear Now.<\/strong><\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/sectigostore.com\/blog\/wp-content\/uploads\/2019\/06\/image-28.png\" alt=\"Fix the \u2018Warning: Potential Security Risk Ahead\u2019 Error in Firefox\" class=\"wp-image-261\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/sectigostore.com\/blog\/wp-content\/uploads\/2019\/06\/image-29.png\" alt=\"Fix the \u2018Warning: Potential Security Risk Ahead\u2019 Error in Firefox\" class=\"wp-image-262\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>6. Permit Firefox to Trust Root Authorities<\/strong><\/h3>\n\n\n\n<p>Firefox has an optional feature that allows the browser to trust root authorities in the Windows certificate store. To activate this feature, you must enable the setting in your browser.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/sectigostore.com\/blog\/wp-content\/uploads\/2019\/06\/image-24.png\" alt=\"Fix the \u2018Warning: Potential Security Risk Ahead\u2019 Error in Firefox\" class=\"wp-image-257\"\/><\/figure>\n\n\n\n<ul class=\"wp-block-list\"><li>Type \u201cabout: config\u201d into the Firefox address bar.<\/li><li>Press the&nbsp;<strong>I accept the risk!<\/strong>&nbsp;button.<\/li><li>Search for security.enterprise_roots.enabled.<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/sectigostore.com\/blog\/wp-content\/uploads\/2019\/06\/image-25.png\" alt=\"Fix the \u2018Warning: Potential Security Risk Ahead\u2019 Error in Firefox\" class=\"wp-image-258\"\/><\/figure>\n\n\n\n<ul class=\"wp-block-list\"><li>In the&nbsp;<strong>security.enterprise_roots.enabled<\/strong>&nbsp;window, look to the right side of the screen. If the value is&nbsp;<strong>False<\/strong>, double-click on it. The value will get changed to&nbsp;<strong>True<\/strong>.<\/li><li>Restart Firefox.<\/li><li>If you still see the error message, move to the next solution.<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>7. Change Your Security Settings<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Type&nbsp;<strong>Command Prompt or CMD&nbsp;<\/strong>into the Windows search bar.<\/li><li>Right-click on Command Prompt and select&nbsp;<strong>Run as Administrator<\/strong>.<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/sectigostore.com\/blog\/wp-content\/uploads\/2019\/06\/image-26.png\" alt=\"Fix the \u2018Warning: Potential Security Risk Ahead\u2019 Error in Firefox\" class=\"wp-image-259\"\/><\/figure>\n\n\n\n<p>Type in these three commands, hitting&nbsp;<strong>Enter<\/strong>&nbsp;after each one:<\/p>\n\n\n\n<p>Regsvr32 softpub.dll<\/p>\n\n\n\n<p>Regsvr32 Wintrust.dll<\/p>\n\n\n\n<p>Regsvr32 Wintrust.dll<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/sectigostore.com\/blog\/wp-content\/uploads\/2019\/06\/image-27.png\" alt=\"Fix the \u2018Warning: Potential Security Risk Ahead\u2019 Error in Firefox\" class=\"wp-image-260\"\/><\/figure>\n\n\n\n<ul class=\"wp-block-list\"><li>Reboot your computer. The changes will be saved.<\/li><\/ul>\n\n\n\n<a class=\"greenbutton\" style=\"text-decoration: none;\" href=\"https:\/\/sectigostore.com\/page\/what-is-an-s-mime-certificate\/\">What Is an S\/MIME Certificate and How Does It Work?<\/a>\n\n\n\n<h3 class=\"wp-block-heading\">Troubleshooting Guides<\/h3>\n\n\n\n<ul>\n<li><a href=\"https:\/\/sectigostore.com\/blog\/ssl_error_rx_record_too_long-9-solutions-for-site-owners-and-visitors\/\">How to Resolve SSL_ERROR_RX_RECORD_TOO_LONG as a Site Visitor<\/a><\/li>\n<li><a href=\"https:\/\/sectigostore.com\/blog\/how-to-fix-err-ssl-protocol-error\/\">How to Fix the ERR_SSL_PROTOCOL_ERROR in 8 Easy Steps (2020 Edition)<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>How to Get Rid of \u2018Warning: Potential Security Risk Ahead with MOZILLA_PKIX_ERROR_SELF_SIGNED_CERT\u201d Error in Firefox? \u201cMOZILLA_PKIX_ERROR_SELF_SIGNED_CERT\u201d error indicates that the website you are trying to reach is using a self-signed SSL\/TLS certificate. These type of SSL\/TLS certificates are highly unsecured. None of the browsers, including Mozilla Firefox, trust a self-signed certificate and hence, show a \u201cMOZILLA_PKIX_ERROR_SELF_SIGNED_CERT\u201d error. If you\u2019re a website owner, remove the self-signed certificate from your server and get a publicly trusted certificate authority (CA)&#8217;s SSL certificate ASAP. It starts from $10\/year and includes a $50,000 warranty. If <a href=\"https:\/\/sectigostore.com\/page\/fix-firefox-security-error\/\" class=\"more-link\">Continue Reading<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":["post-223","post","type-post","status-publish","format-standard","hentry","category-ssl-error"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>MOZILLA_PKIX_ERROR_SELF_SIGNED_CERT Error in Firefox - Fix it<\/title>\n<meta name=\"description\" content=\"4 Proven tips to get rid of \u2018Warning: Potential Security Risk Ahead with MOZILLA_PKIX_ERROR_SELF_SIGNED_CERT\u201d Error in Firefox | Easy-to-follow-guide\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sectigostore.com\/page\/fix-firefox-security-error\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"MOZILLA_PKIX_ERROR_SELF_SIGNED_CERT Error in Firefox - Fix it\" \/>\n<meta property=\"og:description\" content=\"4 Proven tips to get rid of \u2018Warning: Potential Security Risk Ahead with MOZILLA_PKIX_ERROR_SELF_SIGNED_CERT\u201d Error in Firefox | Easy-to-follow-guide\" \/>\n<meta property=\"og:url\" content=\"https:\/\/sectigostore.com\/page\/fix-firefox-security-error\/\" \/>\n<meta property=\"og:site_name\" content=\"SectigoStore\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/sectigostore\/\" \/>\n<meta property=\"article:published_time\" content=\"2019-06-14T08:25:11+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2020-09-07T11:36:17+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/sectigostore.com\/blog\/wp-content\/uploads\/2019\/06\/computer-error.jpg\" \/>\n<meta name=\"author\" content=\"sectigostorepages\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@sectigostore\" \/>\n<meta name=\"twitter:site\" content=\"@sectigostore\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"sectigostorepages\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/sectigostore.com\\\/page\\\/fix-firefox-security-error\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/sectigostore.com\\\/page\\\/fix-firefox-security-error\\\/\"},\"author\":{\"name\":\"sectigostorepages\",\"@id\":\"https:\\\/\\\/sectigostore.com\\\/page\\\/#\\\/schema\\\/person\\\/f38f303abd42ade13a74a5d3c12b1cec\"},\"headline\":\"How to Fix MOZILLA_PKIX_ERROR_SELF_SIGNED_CERT Error in Firefox\",\"datePublished\":\"2019-06-14T08:25:11+00:00\",\"dateModified\":\"2020-09-07T11:36:17+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/sectigostore.com\\\/page\\\/fix-firefox-security-error\\\/\"},\"wordCount\":672,\"commentCount\":0,\"image\":{\"@id\":\"https:\\\/\\\/sectigostore.com\\\/page\\\/fix-firefox-security-error\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/sectigostore.com\\\/blog\\\/wp-content\\\/uploads\\\/2019\\\/06\\\/computer-error.jpg\",\"articleSection\":[\"SSL Errors\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/sectigostore.com\\\/page\\\/fix-firefox-security-error\\\/\",\"url\":\"https:\\\/\\\/sectigostore.com\\\/page\\\/fix-firefox-security-error\\\/\",\"name\":\"MOZILLA_PKIX_ERROR_SELF_SIGNED_CERT Error in Firefox - 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