{"id":185334,"date":"2026-02-10T17:09:03","date_gmt":"2026-02-10T22:09:03","guid":{"rendered":"https:\/\/pureinfotech.com\/?p=185334"},"modified":"2026-03-13T10:24:39","modified_gmt":"2026-03-13T14:24:39","slug":"kb5077179-build-28000-1575-windows-11-26h1","status":"publish","type":"post","link":"https:\/\/pureinfotech.com\/kb5077179-build-28000-1575-windows-11-26h1\/","title":{"rendered":"KB5077179 (build 28000.1575) for Windows 11 26H1 drops as the February 2026 update"},"content":{"rendered":"<ul class=\"sum\">\n<li>Windows 11 build 28000.1575 (KB5077179) arrives as the first cumulative update version 26H1.<\/li>\n<li>This release includes fixes, improvements, and changes for specific devices.<\/li>\n<li>Windows 11 26H1 will be exclusively availble on new devices with specific processors, and not for existing PCs.<\/li>\n<\/ul>\n<p>Microsoft is rolling out <strong>Windows 11 build 28000.1575 (KB5077179)<\/strong> <span style=\"box-sizing: border-box; margin: 0px; padding: 0px;\">as the February 2026 update for devices running version 26H1.<\/span><\/p>\n<p><span style=\"box-sizing: border-box; margin: 0px; padding: 0px;\">According to the\u00a0<span style=\"box-sizing: border-box; margin: 0px; padding: 0px;\">changelog, the\u00a0<strong>&#8220;2026-02 Security Update (KB5077179) (28000.1575)&#8221;<\/strong> only includes several fixes and improvements regarding graphics, .NET Framework 3.5, networking, and system reliability.<\/span><\/span><\/p>\n<p>It is important to clarify that Windows 11 26H1 is not a version for current devices. Microsoft has explicitly stated that version 26H1 is not an upgrade path for Windows 11 25H2 or earlier releases.<\/p>\n<p>According to the company&#8217;s newly published <a href=\"https:\/\/learn.microsoft.com\/en-us\/windows\/release-health\/status-windows-11-26h1\" target=\"_blank\" rel=\"noopener\"><strong>Microsoft Health Dashboard page<\/strong><\/a>, version 26H1 <q class=\"inline-quote\">is a hardware-optimized release designed to enable next-generation silicon developed in partnership with device manufacturers and silicon partners. This release will be available exclusively as a preinstalled experience on select new devices beginning in early 2026, with capabilities tailored specifically for those platforms.<\/q><\/p>\n<p>Microsoft is referring to the new ARM64 PCs, starting with devices powered by the Snapdragon X2 Plus, Elite, and Extreme processors. If you own a computer running on Intel or AMD hardware, Windows 11 26H1 will never be offered to your system.<\/p>\n<section class=\"custom-related-posts-wrapper\"><span class=\"custom-related-posts-heading\">Related<\/span><div class=\"custom-related-posts-container\"><a href=\"https:\/\/pureinfotech.com\/kb5079466-build-28000-1719-for-windows-11-26h1\/\" class=\"custom-related-post-item\" data-umami-event=\"related_inpost_clicked\" data-umami-event-name=\"KB5079466 (build 28000.1719) for Windows 11 26H1 drops as the March 2026 update\"><div class=\"custom-related-post-thumbnail\"><img src=\"https:\/\/i0.wp.com\/pureinfotech.com\/wp-content\/uploads\/2026\/03\/kb5079466-windows-11-26h1-hero.webp?fit=300%2C188&#038;quality=78&#038;strip=all&#038;ssl=1\" alt=\"KB5079466 (build 28000.1719) for Windows 11 26H1 drops as the March 2026 update\" decoding=\"async\" loading=\"lazy\" \/><\/div><span class=\"custom-related-post-title\">KB5079466 (build 28000.1719) for Windows 11 26H1 drops as the March 2026 update<\/span><\/a><a href=\"https:\/\/pureinfotech.com\/windows-11-feature-history-2026\/\" class=\"custom-related-post-item\" data-umami-event=\"related_inpost_clicked\" data-umami-event-name=\"Windows 11 feature history for 2026: every change, month by month\"><div class=\"custom-related-post-thumbnail\"><img src=\"https:\/\/i0.wp.com\/pureinfotech.com\/wp-content\/uploads\/2026\/02\/windows-11-feature-tracker-2026-hero.webp?fit=300%2C188&#038;quality=78&#038;strip=all&#038;ssl=1\" alt=\"Windows 11 feature history for 2026: every change, month by month\" decoding=\"async\" loading=\"lazy\" \/><\/div><span class=\"custom-related-post-title\">Windows 11 feature history for 2026: every change, month by month<\/span><\/a><a href=\"https:\/\/pureinfotech.com\/kb5074105-enable-new-features-windows-11-february-2026\/\" class=\"custom-related-post-item\" data-umami-event=\"related_inpost_clicked\" data-umami-event-name=\"How to enable new features for Windows 11 February 2026 Update (KB5074105)\"><div class=\"custom-related-post-thumbnail\"><img src=\"https:\/\/i0.wp.com\/pureinfotech.com\/wp-content\/uploads\/2026\/01\/windows-11-enable-feb-2026-features-hero.webp?fit=300%2C188&#038;quality=78&#038;strip=all&#038;ssl=1\" alt=\"How to enable new features for Windows 11 February 2026 Update (KB5074105)\" decoding=\"async\" loading=\"lazy\" \/><\/div><span class=\"custom-related-post-title\">How to enable new features for Windows 11 February 2026 Update (KB5074105)<\/span><\/a><a href=\"https:\/\/pureinfotech.com\/kb5075912-windows-10-esu-february-2026-update\/\" class=\"custom-related-post-item\" data-umami-event=\"related_inpost_clicked\" data-umami-event-name=\"KB5075912 (build 19045.6937) for Windows 10 ESU drops as the February 2026 update\"><div class=\"custom-related-post-thumbnail\"><img src=\"https:\/\/i0.wp.com\/pureinfotech.com\/wp-content\/uploads\/2026\/02\/kb5075912-windows-10-february-update-hero.webp?fit=300%2C188&#038;quality=78&#038;strip=all&#038;ssl=1\" alt=\"KB5075912 (build 19045.6937) for Windows 10 ESU drops as the February 2026 update\" decoding=\"async\" loading=\"lazy\" \/><\/div><span class=\"custom-related-post-title\">KB5075912 (build 19045.6937) for Windows 10 ESU drops as the February 2026 update<\/span><\/a><\/div><\/section>\n<ul class=\"toc\">\n<li><a href=\"#windows11_24h2\">What&#8217;s new on Windows 11 25H2 and 24H2 update KB5077179<\/a><\/li>\n<li><a href=\"#patch_tuesday_install\">Windows 11 February 2026 Patch Tuesday \u2013 Manual installation process<\/a><\/li>\n<li><a href=\"#update_history\">Windows 11 February 2026 Patch Tuesday \u2013 Update history<\/a><\/li>\n<\/ul>\n<div id=\"tip-box\"><span><strong>Important:<\/strong> Usually, <strong>Microsoft doesn&#8217;t release new features immediately<\/strong>. When a feature is announced as part of an update, it usually signals the start of a <strong>gradual rollout using the <a href=\"https:\/\/pureinfotech.com\/whats-control-feature-rollout-cfr-windows-11\/\">Controlled Feature Rollout (CFR)<\/a> technology<\/strong>. Availability can vary based on region, hardware, and software configuration. For instance, some features take longer to reach users in Europe due to regulatory requirements.<\/span><\/div>\n<h2 id=\"windows11_24h2\">What&#8217;s new on Windows 11 26H1 update KB5077179<\/h2>\n<p>Microsoft is currently rolling out these improvements and fixes as part of the February 2026 Security Update for Windows 11 26H1.<\/p>\n<ul>\n<li><strong>Graphics:<\/strong> Fixed an issue where certain GPU configurations could encounter a dxgmms2.sys system error that triggered a <code>KERNEL_SECURITY_CHECK_FAILURE<\/code>.<\/li>\n<li><strong>.NET Framework 3.5:<\/strong> Starting with Windows 11 26H1, .NET Framework 3.5 is no longer offered as a Windows Feature on Demand. It must now be installed using the standalone installer.<\/li>\n<li><strong>Networking:<\/strong> Fixed an issue that prevented some devices from connecting to specific WPA3\u2011Personal Wi\u2011Fi networks.<\/li>\n<li>Reliability: Fixed missing BitLocker Hardware Lab Kit (HLK) tests in the Windows Hardware Compatibility Program playlist, and resolved an issue where TrustedInstaller could stop responding and prevent Windows from starting.<\/li>\n<\/ul>\n<h2 id=\"patch_tuesday_install\">Windows 11 February 2026 Patch Tuesday \u2013 Manual installation process<\/h2>\n<p>Since there&#8217;s always a chance of problems during and after applying a quality update, it&#8217;s recommended to prepare your computer by <a href=\"https:\/\/pureinfotech.com\/avoid-windows-11-update-problems\/\"><strong>creating a restore point and a full backup<\/strong><\/a> before proceeding with the installation.<\/p>\n<p>To download and install this Windows 11 update, open the &#8220;Windows Update&#8221; settings<span style=\"box-sizing: border-box; margin: 0px; padding: 0px;\">\u00a0and click<\/span>\u00a0the <strong>&#8220;Check for Updates&#8221;<\/strong> button.<\/p>\n<p>If your computer has issues after installing this package, follow these instructions to <a href=\"https:\/\/pureinfotech.com\/uninstall-update-windows-11\/\">uninstall the February 2026 update<\/a>. If you&#8217;re unable to uninstall the update, <strong><a href=\"https:\/\/pureinfotech.com\/avoid-windows-11-update-problems\/\">follow these steps to recover your device<\/a><\/strong>.<\/p>\n<p>The update will download and install automatically. However, you can also apply it manually by <a href=\"https:\/\/www.catalog.update.microsoft.com\/Search.aspx?q=KB5077179\" target=\"_blank\" rel=\"noopener\">downloading the update KB5077179 from the Update Catalog website<\/a>.<\/p>\n<h2 id=\"update_history\">Windows 11 February 2026 Patch Tuesday \u2013 Update history<\/h2>\n<ul>\n<li><strong>Final Release \u2013 Patch Tuesday (Stable Channel):<\/strong>\n<ul>\n<li>Windows 11 26H1 build 28000.1575 release date: February 10, 2026. <strong><a href=\"https:\/\/support.microsoft.com\/en-us\/topic\/february-10-2026-kb5077179-os-build-28000-1575-74e81d2f-48db-4322-8bd7-8633f8d4d079\" target=\"_blank\" rel=\"noopener\">Official notes<\/a>.<\/strong><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Microsoft ships the February 2026 update for version 26H1, a version of Windows 11 that virtually no device is going to get.<\/p>\n","protected":false},"author":2,"featured_media":185342,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"jetpack_post_was_ever_published":false,"footnotes":""},"categories":[10,23],"tags":[2715,2747],"class_list":["post-185334","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-windows","tag-windows-11","tag-windows-update"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - 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