{"id":9743,"date":"2026-07-06T08:38:17","date_gmt":"2026-07-06T08:38:17","guid":{"rendered":"https:\/\/pariswells.com\/blog\/?p=9743"},"modified":"2026-07-06T08:38:18","modified_gmt":"2026-07-06T08:38:18","slug":"defender-av-not-upgrading-after-v18-to-v24-upgrade","status":"publish","type":"post","link":"https:\/\/pariswells.com\/blog\/research\/defender-av-not-upgrading-after-v18-to-v24-upgrade","title":{"rendered":"Defender AV not upgrading after v18 to V24 Upgrade"},"content":{"rendered":"\n<pre class=\"wp-block-code\"><code class=\"\">cat \/etc\/apt\/sources.list.d\/microsoft-prod.sources\ncat \/etc\/apt\/sources.list.d\/microsoft-prod.list.distUpgrade\napt-cache policy mdatp\nEnabled: no<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Fix <\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">sudo rm \/etc\/apt\/sources.list.d\/microsoft-prod.sources\nsudo rm \/etc\/apt\/sources.list.d\/microsoft-prod.list.distUpgrade\n\ncurl -sSL https:\/\/packages.microsoft.com\/config\/ubuntu\/24.04\/prod.list | sudo tee \/etc\/apt\/sources.list.d\/microsoft-prod.list\n\ncurl -sSL https:\/\/packages.microsoft.com\/keys\/microsoft.asc | gpg --dearmor | sudo tee \/usr\/share\/keyrings\/microsoft-prod.gpg > \/dev\/null\nsudo chmod o+r \/usr\/share\/keyrings\/microsoft-prod.gpg\n\nsudo apt update\napt-cache policy mdatp\nsudo apt install --only-upgrade mdatp<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Fix<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-9743","post","type-post","status-publish","format-standard","hentry","category-research"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.9 - aioseo.com -->\n\t<meta name=\"description\" content=\"cat \/etc\/apt\/sources.list.d\/microsoft-prod.sources cat \/etc\/apt\/sources.list.d\/microsoft-prod.list.distUpgrade apt-cache policy mdatp Enabled: no Fix sudo rm \/etc\/apt\/sources.list.d\/microsoft-prod.sources sudo rm \/etc\/apt\/sources.list.d\/microsoft-prod.list.distUpgrade curl -sSL https:\/\/packages.microsoft.com\/config\/ubuntu\/24.04\/prod.list | sudo tee \/etc\/apt\/sources.list.d\/microsoft-prod.list curl -sSL https:\/\/packages.microsoft.com\/keys\/microsoft.asc | gpg --dearmor | sudo tee \/usr\/share\/keyrings\/microsoft-prod.gpg &gt; \/dev\/null sudo chmod o+r \/usr\/share\/keyrings\/microsoft-prod.gpg sudo apt update apt-cache policy mdatp sudo apt install --only-upgrade mdatp\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"paris\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/pariswells.com\/blog\/research\/defender-av-not-upgrading-after-v18-to-v24-upgrade\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.9\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Welcome to Pariswells.com |\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Defender AV not upgrading after v18 to V24 Upgrade | Welcome to Pariswells.com\" \/>\n\t\t<meta property=\"og:description\" content=\"cat \/etc\/apt\/sources.list.d\/microsoft-prod.sources cat \/etc\/apt\/sources.list.d\/microsoft-prod.list.distUpgrade apt-cache policy mdatp Enabled: no Fix sudo rm \/etc\/apt\/sources.list.d\/microsoft-prod.sources sudo rm \/etc\/apt\/sources.list.d\/microsoft-prod.list.distUpgrade curl -sSL https:\/\/packages.microsoft.com\/config\/ubuntu\/24.04\/prod.list | sudo tee \/etc\/apt\/sources.list.d\/microsoft-prod.list curl -sSL https:\/\/packages.microsoft.com\/keys\/microsoft.asc | gpg --dearmor | sudo tee \/usr\/share\/keyrings\/microsoft-prod.gpg &gt; \/dev\/null sudo chmod o+r \/usr\/share\/keyrings\/microsoft-prod.gpg sudo apt update apt-cache policy mdatp sudo apt install --only-upgrade mdatp\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/pariswells.com\/blog\/research\/defender-av-not-upgrading-after-v18-to-v24-upgrade\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2026-07-06T08:38:17+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2026-07-06T08:38:18+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Defender AV not upgrading after v18 to V24 Upgrade | Welcome to Pariswells.com\" \/>\n\t\t<meta name=\"twitter:description\" content=\"cat \/etc\/apt\/sources.list.d\/microsoft-prod.sources cat \/etc\/apt\/sources.list.d\/microsoft-prod.list.distUpgrade apt-cache policy mdatp Enabled: no Fix sudo rm \/etc\/apt\/sources.list.d\/microsoft-prod.sources sudo rm \/etc\/apt\/sources.list.d\/microsoft-prod.list.distUpgrade curl -sSL https:\/\/packages.microsoft.com\/config\/ubuntu\/24.04\/prod.list | sudo tee \/etc\/apt\/sources.list.d\/microsoft-prod.list curl -sSL https:\/\/packages.microsoft.com\/keys\/microsoft.asc | gpg --dearmor | sudo tee \/usr\/share\/keyrings\/microsoft-prod.gpg &gt; \/dev\/null sudo chmod o+r \/usr\/share\/keyrings\/microsoft-prod.gpg sudo apt update apt-cache policy mdatp sudo apt install --only-upgrade mdatp\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/pariswells.com\\\/blog\\\/research\\\/defender-av-not-upgrading-after-v18-to-v24-upgrade#article\",\"name\":\"Defender AV not upgrading after v18 to V24 Upgrade | Welcome to Pariswells.com\",\"headline\":\"Defender AV not upgrading after v18 to V24 Upgrade\",\"author\":{\"@id\":\"https:\\\/\\\/pariswells.com\\\/blog\\\/author\\\/paris#author\"},\"publisher\":{\"@id\":\"https:\\\/\\\/pariswells.com\\\/blog\\\/#organization\"},\"datePublished\":\"2026-07-06T08:38:17+00:00\",\"dateModified\":\"2026-07-06T08:38:18+00:00\",\"inLanguage\":\"en-US\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/pariswells.com\\\/blog\\\/research\\\/defender-av-not-upgrading-after-v18-to-v24-upgrade#webpage\"},\"isPartOf\":{\"@id\":\"https:\\\/\\\/pariswells.com\\\/blog\\\/research\\\/defender-av-not-upgrading-after-v18-to-v24-upgrade#webpage\"},\"articleSection\":\"Research\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/pariswells.com\\\/blog\\\/research\\\/defender-av-not-upgrading-after-v18-to-v24-upgrade#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/pariswells.com\\\/blog#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/pariswells.com\\\/blog\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/pariswells.com\\\/blog\\\/category\\\/research#listItem\",\"name\":\"Research\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/pariswells.com\\\/blog\\\/category\\\/research#listItem\",\"position\":2,\"name\":\"Research\",\"item\":\"https:\\\/\\\/pariswells.com\\\/blog\\\/category\\\/research\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/pariswells.com\\\/blog\\\/research\\\/defender-av-not-upgrading-after-v18-to-v24-upgrade#listItem\",\"name\":\"Defender 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\\\/etc\\\/apt\\\/sources.list.d\\\/microsoft-prod.sources cat \\\/etc\\\/apt\\\/sources.list.d\\\/microsoft-prod.list.distUpgrade apt-cache policy mdatp Enabled: no Fix sudo rm \\\/etc\\\/apt\\\/sources.list.d\\\/microsoft-prod.sources sudo rm \\\/etc\\\/apt\\\/sources.list.d\\\/microsoft-prod.list.distUpgrade curl -sSL https:\\\/\\\/packages.microsoft.com\\\/config\\\/ubuntu\\\/24.04\\\/prod.list | sudo tee \\\/etc\\\/apt\\\/sources.list.d\\\/microsoft-prod.list curl -sSL https:\\\/\\\/packages.microsoft.com\\\/keys\\\/microsoft.asc | gpg --dearmor | sudo tee \\\/usr\\\/share\\\/keyrings\\\/microsoft-prod.gpg > \\\/dev\\\/null sudo chmod o+r \\\/usr\\\/share\\\/keyrings\\\/microsoft-prod.gpg sudo apt update apt-cache policy mdatp sudo apt install --only-upgrade mdatp\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/pariswells.com\\\/blog\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/pariswells.com\\\/blog\\\/research\\\/defender-av-not-upgrading-after-v18-to-v24-upgrade#breadcrumblist\"},\"author\":{\"@id\":\"https:\\\/\\\/pariswells.com\\\/blog\\\/author\\\/paris#author\"},\"creator\":{\"@id\":\"https:\\\/\\\/pariswells.com\\\/blog\\\/author\\\/paris#author\"},\"datePublished\":\"2026-07-06T08:38:17+00:00\",\"dateModified\":\"2026-07-06T08:38:18+00:00\"},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/pariswells.com\\\/blog\\\/#website\",\"url\":\"https:\\\/\\\/pariswells.com\\\/blog\\\/\",\"name\":\"Welcome to Pariswells.com\",\"inLanguage\":\"en-US\",\"publisher\":{\"@id\":\"https:\\\/\\\/pariswells.com\\\/blog\\\/#organization\"}}]}\n\t\t<\/script>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"Defender AV not upgrading after v18 to V24 Upgrade | Welcome to Pariswells.com","description":"cat \/etc\/apt\/sources.list.d\/microsoft-prod.sources cat \/etc\/apt\/sources.list.d\/microsoft-prod.list.distUpgrade apt-cache policy mdatp Enabled: no Fix sudo rm \/etc\/apt\/sources.list.d\/microsoft-prod.sources sudo rm \/etc\/apt\/sources.list.d\/microsoft-prod.list.distUpgrade curl -sSL https:\/\/packages.microsoft.com\/config\/ubuntu\/24.04\/prod.list | sudo tee \/etc\/apt\/sources.list.d\/microsoft-prod.list curl -sSL https:\/\/packages.microsoft.com\/keys\/microsoft.asc | gpg --dearmor | sudo tee \/usr\/share\/keyrings\/microsoft-prod.gpg > \/dev\/null sudo chmod o+r \/usr\/share\/keyrings\/microsoft-prod.gpg sudo apt update apt-cache policy mdatp sudo apt install --only-upgrade 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Pariswells.com","twitter:description":"cat \/etc\/apt\/sources.list.d\/microsoft-prod.sources cat \/etc\/apt\/sources.list.d\/microsoft-prod.list.distUpgrade apt-cache policy mdatp Enabled: no Fix sudo rm \/etc\/apt\/sources.list.d\/microsoft-prod.sources sudo rm \/etc\/apt\/sources.list.d\/microsoft-prod.list.distUpgrade curl -sSL https:\/\/packages.microsoft.com\/config\/ubuntu\/24.04\/prod.list | sudo tee \/etc\/apt\/sources.list.d\/microsoft-prod.list curl -sSL https:\/\/packages.microsoft.com\/keys\/microsoft.asc | gpg --dearmor | sudo tee \/usr\/share\/keyrings\/microsoft-prod.gpg &gt; \/dev\/null sudo chmod o+r \/usr\/share\/keyrings\/microsoft-prod.gpg sudo apt update apt-cache policy mdatp sudo apt install --only-upgrade mdatp"},"aioseo_meta_data":{"post_id":"9743","title":null,"description":null,"keywords":null,"keyphrases":{"focus":{"keyphrase":"","score":0,"analysis":{"keyphraseInTitle":{"score":0,"maxScore":9,"error":1}}},"additional":[]},"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":"","og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"Article","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":"-1","robots_max_videopreview":"-1","robots_max_imagepreview":"large","priority":null,"frequency":"default","location":null,"local_seo":null,"breadcrumb_settings":null,"limit_modified_date":false,"ai":{"faqs":[],"keyPoints":[],"schemas":[],"titles":[],"descriptions":[],"socialPosts":{"email":{"subject":"","preview":"","content":""},"linkedin":[],"twitter":[],"facebook":[],"instagram":[]}},"created":"2026-07-06 08:36:52","updated":"2026-07-06 08:38:18","primary_term":null,"seo_analyzer_scan_date":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/pariswells.com\/blog\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/pariswells.com\/blog\/category\/research\" title=\"Research\">Research<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tDefender AV not upgrading after v18 to V24 Upgrade\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/pariswells.com\/blog"},{"label":"Research","link":"https:\/\/pariswells.com\/blog\/category\/research"},{"label":"Defender AV not upgrading after v18 to V24 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