{"id":131902,"date":"2025-12-02T13:11:35","date_gmt":"2025-12-02T04:11:35","guid":{"rendered":"https:\/\/softantenna.com\/blog\/?p=131902"},"modified":"2025-12-02T13:11:35","modified_gmt":"2025-12-02T04:11:35","slug":"kb5070311-preview","status":"publish","type":"post","link":"https:\/\/softantenna.com\/blog\/kb5070311-preview\/","title":{"rendered":"Windows 11 Version 25H2\/24H2\u306e\u30d7\u30ec\u30d3\u30e5\u30fc\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8KB5070311\u304c\u516c\u958b - \u30d5\u30a1\u30a4\u30eb\u30a8\u30af\u30b9\u30d7\u30ed\u30fc\u30e9\u30fc\u306e\u30c0\u30fc\u30af\u30e2\u30fc\u30c9\u304c\u5f37\u5316\u3055\u308c\u308b"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/softantenna.com\/blog\/wp-content\/uploads\/2025\/12\/s_20251202-_130626.jpg\" alt=\"\" width=\"1182\" height=\"738\" class=\"aligncenter size-full wp-image-131904\" \/><\/p>\n<p>Microsoft\u306f12\u67081\u65e5(\u73fe\u5730\u6642\u9593)\u3001Windows 11 Version 25H2\/24H2\u7528\u306e\u30d7\u30ec\u30d3\u30e5\u30fc\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8<a href=\"https:\/\/support.microsoft.com\/en-us\/topic\/december-1-2025-kb5070311-os-builds-26200-7309-and-26100-7309-preview-5cd455bf-3291-47fa-b0bf-e5f60d0ea7af#id0ebdj=gradual_rollout\">KB5070311<\/a>\u3092\u516c\u958b\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u30aa\u30d7\u30b7\u30e7\u30f3\u6271\u3044\u306e\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0(\u30d7\u30ec\u30d3\u30e5\u30fc\u7248)\u3067\u3001\u591a\u6570\u306e\u4e0d\u5177\u5408\u304c\u4fee\u6b63\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>Windows Update\u306e\u300c\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u30c1\u30a7\u30c3\u30af\u300d\u3092\u5229\u7528\u3059\u308b\u304b\u3001Microsoft Update Catalog\u304b\u3089\u30d5\u30a1\u30a4\u30eb\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u3053\u3068\u3067\u3001\u624b\u52d5\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>December 1, 2025\u2014KB5070311 (OS Builds 26200.7309 and 26100.7309) Preview<\/h2>\n<p>Windows 11 Version 25H2\/24H2\u7528\u306e\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0<a href=\"https:\/\/support.microsoft.com\/en-us\/topic\/december-1-2025-kb5070311-os-builds-26200-7309-and-26100-7309-preview-5cd455bf-3291-47fa-b0bf-e5f60d0ea7af#id0ebdj=gradual_rollout\">KB5070311<\/a>\u3067\u306f\u3001Copilot+ PC\u5411\u3051\u306eAI\u95a2\u9023\u6a5f\u80fd\u306e\u6539\u826f\u306e\u307b\u304b\u3001\u4e00\u822cPC\u5411\u3051\u306eWindows 11\u306e\u6a5f\u80fd\u306e\u6539\u5584\u304c\u884c\u308f\u308c\u3066\u3044\u307e\u3059\u3002\u8a2d\u5b9a\u30a2\u30d7\u30ea\u306e\u691c\u7d22\u6a5f\u80fd\u306e\u6539\u5584\u3084\u3001Windows Spotlight\u306e\u62e1\u5f35\u3001\u30d5\u30a1\u30a4\u30eb\u30a8\u30af\u30b9\u30d7\u30ed\u30fc\u30e9\u30fc\u306e\u30c0\u30fc\u30af\u30e2\u30fc\u30c9\u306e\u6539\u5584\u306a\u3069\u304c\u884c\u308f\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30ea\u30ea\u30fc\u30b9\u30ce\u30fc\u30c8\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<h3>\u30cf\u30a4\u30e9\u30a4\u30c8<\/h3>\n<blockquote>\n<p><strong><button><\/p>\n<div><i><\/i><\/div>\n<div>Copilot+ PCs experiences<\/div>\n<p><\/button><\/strong><\/p>\n<div>\n<div>\n<p>This section highlights updates and improvements unique to Copilot+ PCs, focusing on AI-powered features, performance enhancements, and user experience optimizations.<\/p>\n<ul>\n<li>\n<p><b>[Agent in Settings]<\/b><\/p>\n<ul>\n<li>\n<p>\u200b\u200b\u200b\u200b\u200b\u200b\u200b<i><b>New! <\/b><\/i>The search results menu displays more available results, making it easier to quickly find and\u00a0modify\u00a0your settings. A scroll bar\u00a0lets\u00a0you view all search results.<\/p>\n<\/li>\n<li>\n<p>\n                                <i><b>New!<\/b><\/i>\u00a0<b>Recommended settings<\/b>\u00a0now\u00a0makes\u00a0changes\u00a0faster\u00a0by showing an inline agent option\u00a0for recently modified\u00a0settings.<\/p>\n<\/li>\n<li>\n<p>\n                                <i><b>New!<\/b><\/i>\u00a0A dialog now\u00a0appears\u00a0when\u00a0settings\u00a0can\u2019t\u00a0be adjusted further.\u00a0It explains\u00a0why and provides\u00a0an option to\u00a0modify\u00a0the settings as needed.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><b>[Click to Do]<\/b><\/p>\n<ul>\n<li>\n<p>\n                                <i><b>New!<\/b><sup>1\u00a0<\/sup><br \/>\n                                <\/i>The Click to Do context menu now has a streamlined design that makes it easier to access frequently used actions such as <b>Copy<\/b>, <b>Save<\/b>, <b>Share<\/b>, and <b>Open<\/b>. You can quickly find what you need.<\/p>\n<\/li>\n<li>\n<p>\n                                <i><b>New!<\/b><sup>1<\/sup><br \/>\n                                <\/i>\u200b\u200b\u200b\u200b\u200b\u200b\u200b<i><b>\u00a0<\/b><\/i>Whenever a large image or table appears on your screen, the context menu automatically opens so you can quickly access actions and view results.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><b>[Camera]<\/b><i><b>New!<\/b><\/i> You can use <a href=\"\/en-us\/windows\/windows-studio-effects-273c1fa8-2b3f-41b1-a587-7cc7a24b62d8\">Windows Studio Effects<\/a>, which provides AI-powered camera enhancements, on an additional camera such as a USB webcam or your laptop\u2019s built-in rear camera. To get started, go to <b>Settings<\/b> &gt; <b>Bluetooth &amp; devices<\/b> &gt; <b>Cameras<\/b>, and select your preferred camera from the connected cameras list. Then, open<b> Advanced camera options<\/b> and turn on <b>Use Windows Studio Effects<\/b>. After you turn it on, you can adjust Studio Effects from the camera settings page or the quick settings menu in the taskbar.<\/p>\n<\/li>\n<li>\n<p><b>[File Explorer]<\/b>\u00a0<\/p>\n<ul>\n<li>\n<p>\n                                <i><b>New!<\/b><\/i>\u00a0The\u00a0File Explorer Search Box\u00a0placeholder text\u00a0has been updated to highlight the enhanced\u00a0Windows Search\u00a0experiences.<\/p>\n<\/li>\n<li>\n<p>\n                                <i><b>New!<\/b><\/i>\u00a0File ExplorerHome on-hover actions for faster file management (previously released in <a href=\"\/en-us\/topic\/october-28-2025-kb5067036-os-builds-26200-7019-and-26100-7019-preview-ec3da7dc-63ba-4b1d-ac41-cf2494d2123a\">KB5067036<\/a>) is now available for enterprise customers.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><b>[Windows Search]<\/b><i><b>New!<\/b><\/i>\u00a0You can now find your AI-categorized photos from the Microsoft Photos app using\u00a0Windows Search\u00a0with semantic search.<\/p>\n<\/li>\n<\/ul>\n<p>\n                        <sup>1<\/sup><br \/>\n                        <i>Functionality will vary by device and market.<\/i>\n                      <\/p>\n<\/p><\/div>\n<\/p><\/div>\n<p><strong><button><\/p>\n<div><i><\/i><\/div>\n<div>Windows 11 PC experiences<\/div>\n<p><\/button><\/strong><\/p>\n<div>\n<div>\n<p>This section highlights new features and enhancements for Windows 11 PCs, including AI-powered capabilities, continuous innovation, and performance improvements.<\/p>\n<p><b>Improvements and fixes<\/b><\/p>\n<ul>\n<li>\n<p><b>[Advanced Settings]<\/b>\u00a0<i><b>New!<\/b><\/i> You\u00a0can now turn on\u00a0Virtual Workspaces in <b>Advanced\u00a0Settings<\/b>. Virtual Workspaces allow you to enable or disable virtual environments such as Hyper-V and\u00a0Windows Sandbox. To access Virtual\u00a0Workspaces, go to <b>Settings<\/b> &gt; <b>Systems<\/b> &gt; <b>Advanced<\/b>.\u00a0<\/p>\n<\/li>\n<li>\n<p><b>[Desktop Spotlight]<\/b><i><b>\u00a0New!\u00a0<\/b><\/i>When Windows Spotlight is set as your desktop background (<b>Settings<\/b> &gt; <b>Personalization <\/b>&gt; <b>Background<\/b>), the context menu now includes two options:\u00a0<b>Learn more about this background<\/b>\u00a0and\u00a0<b>Next desktop background<\/b>.<\/p>\n<\/li>\n<li>\n<p><b>[File Explorer]\u00a0<\/b><\/p>\n<ul>\n<li>\n<p>\n                                <i><b>New!<\/b><\/i> File Explorer now offers a more consistent dark mode experience. Key actions such as <b>copy<\/b>, <b>move<\/b>, and <b>delete dialogs<\/b> have been updated in both default and expanded views. <b>Progress bars<\/b> and <b>chart views<\/b> now align with the dark theme to improve readability. <b>Confirmation dialogs<\/b> for actions like <b>skip<\/b>, <b>override<\/b>, and <b>file selection<\/b>, along with multiple error dialogs, have also been refreshed for a cohesive look.<\/p>\n<\/li>\n<li>\n<p><b>\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b<i>New!\u00a0<\/i><\/b>The simplified File Explorer context menu for easier navigation. Common actions like\u00a0<b>Share<\/b>,\u00a0<b>Copy<\/b>, and\u00a0<b>Move<\/b>\u00a0now appear in a single organized menu. This change removes clutter\u00a0and\u00a0makes commands easier to find, whether you use a mouse, keyboard, or assistive technology. This change will initially\u00a0be available\u00a0to a small group of devices as we evaluate\u00a0the best approach.<\/p>\n<\/li>\n<li>\n<p>Fixed: File Explorer might\u00a0unexpectedly not show thumbnails for video files\u00a0containing\u00a0certain <span>EXIF<\/span> metadata.\u00a0<\/p>\n<\/li>\n<li>\n<p>Fixed: A toolbar might\u00a0sometimes appear unexpectedly\u00a0in File Explorer.\u00a0<\/p>\n<\/li>\n<li>\n<p>Fixed: When you right-click a file, the app icon next to the <b>Open<\/b> option might\u00a0appear\u00a0generic instead of showing\u00a0the default app for that file type.\u00a0<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><b>[Gaming]<\/b><i><b>New! <\/b><\/i>The full screen experience (FSE) is now available on more Windows 11 handheld devices after its initial launch on <a href=\"https:\/\/news.xbox.com\/2025\/08\/20\/rog-xbox-ally-handheld-release-date-october-features\/\">ASUS ROG Ally and ROG Ally X<\/a>. FSE gives you a console-style interface with theXbox app, making handheld gaming clean and distraction-free. It improves performance by minimizing background tasks, so gameplay stays smooth and responsive. To turn it on, go to <b>Settings<\/b> &gt;<b> Gaming <\/b>&gt; <b>Full screen experience<\/b>, and set Xbox as your home app. You can open FSE from <b>Task View<\/b> or <b>Game Bar<\/b>\u200b\u200b\u200b\u200b\u200b\u200b\u200b, or configure your handheld to enter full screen experience on startup.<\/p>\n<\/li>\n<li>\n<p><b>[Input]<\/b><i><b>New!<\/b><\/i>\u00a0Pens that support haptic feedback\u2014small vibrations that simulate touch\u2014now provide tactile responses when you interact with the Windows interface. For example, you might feel vibrations when hovering over the <b>close button<\/b> or when <b>snapping<\/b> and <b>resizing windows<\/b>.<\/p>\n<\/li>\n<li>\n<p><b>[Keyboard]<\/b>\u00a0<i><b>New!<\/b><\/i>\u00a0Keyboard backlight performance has\u00a0improved on\u00a0supported HID-compliant keyboards. Compatible keyboards display keys clearly in low-light environments, and the backlight adjusts to help conserve power.<\/p>\n<\/li>\n<li>\n<p><b>[Mobile Device Settings]<\/b>\u00a0<i><b>New!<\/b><\/i> You can add and manage your mobile devices in <b>Settings<\/b> under <b>Bluetooth &amp; Devices <\/b>\u203a <b>Mobile Devices<\/b>. On this page you can manage features such as using your device as a connected camera or accessing your device\u2019s files in File Explorer.<\/p>\n<\/li>\n<li>\n<p><b>[OneDrive]<\/b><i><b>New!\u00a0<\/b><\/i>The new OneDrive icon now appears in <b>Settings<\/b>\u00a0&gt;\u00a0<b>Accounts<\/b>\u00a0&gt;\u00a0<b>Homepage<\/b>.<\/p>\n<\/li>\n<li>\n<p><b>[Recovery] <i>New<\/i>!\u00a0<\/b>Quick Machine Recovery (QMR) now runs a one-time scan on PCs with settings <b>quick machine recovery<\/b>\u00a0and <b>automatically check for solutions<\/b>\u00a0are both turned on. If a fix isn\u2019t available immediately, QMR\u00a0directs you to the best recovery options to get your PC running again<\/p>\n<\/li>\n<li>\n<p><b>[Settings]<\/b><i><\/p>\n<p>                            <\/i>\n                          <\/p>\n<ul>\n<li>\n<p>\n                                <i><b>New!<\/b><\/i>\u00a0Keyboard settings for \"character repeat delay and rate\", and \"cursor blink rate\", have moved from Control Panel to Settings. You can now find \"character repeat delay and rate\" under <b>Settings<\/b> &gt; <b>Accessibility <\/b>&gt; <b>Keyboard<\/b>, and \"cursor blink rate\" under <b>Settings <\/b>&gt; <b>Accessibility<\/b> &gt; <b>Text cursor<\/b>. \u200b\u200b\u200b\u200b\u200b\u200b\u200b<\/p>\n<\/li>\n<li>\n<p>\n                                <i><b>New!<\/b><\/i>\u00a0<b>About<\/b>\u00a0in\u00a0<b>Settings<\/b>\u00a0now has an updated layout that organizes device details and related options in one place. You can quickly access features such as Storage settings for faster navigation.\u00a0<\/p>\n<\/li>\n<li>\n<p>Fixed: <b>Settings<\/b> might\u00a0become\u00a0unresponsive when\u00a0attempting\u00a0to navigate to the <b>Network &amp; Internet<\/b>\u00a0section.\u00a0<\/p>\n<\/li>\n<li>\n<p>Fixed: The search bar in <b>Settings<\/b> might\u00a0become overlapped with the minimum and maximum buttons in the title bar.\u00a0<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><b>[Taskbar &amp; System Tray]<\/b><\/p>\n<ul>\n<li>\n<p><b> <i>New!<\/i> <\/b> Animations for app groups on the taskbar have been updated. When you hover over app groups on the taskbar, you can see the preview transition as you slide between apps.<\/p>\n<\/li>\n<li>\n<p>\n                                <i><b>New!<\/b><\/i> You can now share an open app window with Copilot directly from the taskbar.\u00a0When you hover over an open app,\u00a0you\u2019ll see the option to share its window with Copilot\u2014similar to\u00a0<a href=\"\/en-us\/windows\/customize-the-taskbar-in-windows-0657a50f-0cc7-dbfd-ae6b-05020b195b07\">sharing in\u00a0Microsoft Teams<\/a>. Hover over the app icon, select\u00a0<b>Share with Copilot <\/b>to start a\u00a0conversation. <a href=\"\/en-us\/topic\/using-copilot-vision-with-microsoft-copilot-3c67686f-fa97-40f6-8a3e-0e45265d425f\">Copilot Vision<\/a> will\u00a0analyze the content you shared and provide insights based on what\u2019s displayed in that app.<\/p>\n<\/li>\n<li>\n<p>Fixed: The <b>Automatically hide the taskbar<\/b>\u00a0setting might\u00a0unexpectedly turn off, after seeing a message\u00a0saying <b>a toolbar is already hidden on this side of your screen<\/b>.\u00a0\u00a0<\/p>\n<\/li>\n<li>\n<p>Fixed: Voice access\u00a0doesn't\u00a0work\u00a0correctly when\u00a0attempting\u00a0to interact with the taskbar (calling out a number might\u00a0not invoke that item).\u00a0<\/p>\n<\/li>\n<li>\n<p>Fixed: The taskbar icons might\u00a0automatically scale to be smaller, although there is enough room left without scaling changes.\u00a0<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><b>[Widgets]<\/b><\/p>\n<ul>\n<li>\n<p>\n                                <i><b>New!<\/b><\/i>\u00a0You can choose a default dashboard in Widget Board settings. When live weather is showing, the Widget Board opens the first dashboard in your navigation bar instead of the most recently used one, making the experience consistent. To\u00a0set\u00a0your default dashboard, open the full-page <b>Widgets Settings<\/b> by selecting\u00a0<b>Settings<\/b>\u00a0<span><\/span> in the <b>navigation bar<\/b>, then move your preferred dashboard to the top.\u00a0<\/p>\n<\/li>\n<li>\n<p>\n                                <i><b>New!<\/b><\/i>\u00a0Dashboard icons in the Widget navigation bar now show numbers that correspond to the number of alerts from that dashboard. Navigation bar badges clear automatically when you leave a dashboard, making it easy to track\u00a0what\u2019s\u00a0new.\u00a0<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><b>[Windows Share]<\/b><\/p>\n<ul>\n<li>\n<p>\n                                <i><b>New!<\/b><\/i><br \/>\n                                <sup>2<\/sup>\u00a0Drag tray\u00a0now supports multi-file sharing, shows more relevant apps, and makes it easy to move files to a chosen folder.<\/p>\n<\/li>\n<li>\n<p>\n                                <i><b>New!<\/b><sup>2<\/sup><br \/>\n                                <\/i>\u00a0You can now turn\u00a0drag tray\u00a0on\u00a0or\u00a0off from\u00a0<b>Settings\u00a0<\/b>&gt;\u00a0<b>System<\/b>\u00a0&gt;\u00a0<b>Nearby sharing<\/b>.<\/p>\n<\/li>\n<li>\n<p>\n                                <i><b>New!<\/b><\/i><br \/>\n                                <sup>3<\/sup>\u00a0You can\u00a0share\u00a0OneDrive\u00a0files\u00a0through other apps. The options appear under\u00a0<b>Share using<\/b>\u00a0when\u00a0you\u00a0select\u00a0the\u00a0<b>Copy link<\/b>. You must\u00a0be signed\u00a0into your Microsoft account.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><b>[Display\u00a0and Graphics]\u00a0<\/b>\u00a0<\/p>\n<ul>\n<li>\n<p>Improved: Performance has been improved when\u00a0apps query monitors for their full list of supported modes. When this\u00a0happens\u00a0it could previously lead to a momentary stutter on very high-resolution monitors. This work should help prevent and reduce stuttering in these scenarios.\u00a0<\/p>\n<\/li>\n<li>\n<p>Fixed: All-in-one PCs might\u00a0experience issues with their brightness slider, where it unexpectedly reverts to the original brightness when interacting with it.\u00a0<\/p>\n<\/li>\n<li>\n<p>Fixed:\u00a0Recently certain games might\u00a0display the\u00a0message\u00a0<span>Unsupported graphics card detected<\/span>, although a supported graphics card\u00a0is\u00a0used.\u00a0<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><b>[Game Pass]<\/b>\u00a0References to Game Pass in Settings are now\u00a0modified\u00a0to reflect updated branding and benefits.<\/p>\n<\/li>\n<li>\n<p><b>[Start menu]<\/b> Improved: For users with the new <a href=\"\/en-us\/topic\/october-28-2025-kb5067036-os-builds-26200-7019-and-26100-7019-preview-ec3da7dc-63ba-4b1d-ac41-cf2494d2123a\">Start menu<\/a>, the Windows Search panel now matches the new Start menu in size. This update aims to create a smoother transition when searching.<\/p>\n<\/li>\n<li>\n<p><b>[Lock and Sign-in Screens]\u00a0<\/b><\/p>\n<ul>\n<li>\n<p>Fixed: It might\u00a0be\u00a0very slow\u00a0the first time when signing\u00a0into a new account.\u00a0<\/p>\n<\/li>\n<li>\n<p>Fixed: When your lock screen is set to slide show, there might\u00a0be a memory leak. Memory leaks can lead to performance or reliability issues over time.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><b>[Smart cards]<\/b>\u00a0Fixed: You might\u00a0unexpectedly see <span>STATUS_NOT_SUPPORTED<\/span> (<span>0xc00000bb) <\/span>during sign on\u00a0when using ECC Smart Card Logon Credential.<\/p>\n<\/li>\n<li>\n<p><b>[Prism]<\/b> Windows on Arm devices now have emulation support for applications that use AVX and AVX2, as well as related extensions such as BMI, FMA, and F16C.<\/p>\n<\/li>\n<\/ul>\n<p>\n                        <sup>2<\/sup><br \/>\n                        <i>This feature is gradually rolling out, and availability will vary by device and market. Drag tray might not be available to all devices yet. See <a href=\"\/en-us\/topic\/may-28-2025-kb5058499-os-build-26100-4202-preview-d4c2f1ee-8138-4038-b705-546945076f92\">KB5058499<\/a>\u00a0for more information about the drag tray feature in Windows Share.<\/i>\n                      <\/p>\n<p>\u00a0<sup>3<\/sup><i>Feature\u00a0availability depends on your device and market. This feature\u00a0isn\u2019t\u00a0available in the European Economic Area.\u00a0\u00a0<\/i><\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/blockquote>\n<h3>\u65e2\u77e5\u306e\u4e0d\u5177\u5408<\/h3>\n<p>\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u306f\u4ee5\u4e0b\u306e2\u4ef6\u306e\u65e2\u77e5\u306e\u4e0d\u5177\u5408\u304c\u5b58\u5728\u3057\u307e\u3059\u3002<\/p>\n<blockquote>\n<div class=\"wki-box\">\n<div class=\"wki\">\n<div class=\"wki-title\">File Explorer might flash with a white screen in dark mode<\/div>\n<div class=\"wki-content\">\n<div class=\"wki-desc\">\n<p><b>Symptoms<\/b><\/p>\n<p>After installing <a href=\"\/en-us\/topic\/december-1-2025-kb5070311-os-builds-26200-7309-and-26100-7309-preview-5cd455bf-3291-47fa-b0bf-e5f60d0ea7af\">KB5070311<\/a>, you might experience issues when opening <b>File Explorer<\/b> in <a href=\"https:\/\/microsoft.com\/windows\/learning-center\/when-to-use-dark-mode?msockid=085b7d75211b66833a756b3b20916749\">dark mode<\/a>. The window might briefly display a blank white screen before loading files and folders. This can also occur when you:<\/p>\n<ul>\n<li>\n<p>Navigate to or from <b>Home<\/b>\u00a0or <b>Gallery<\/b>\u00a0(including launching to <b>Home<\/b>)<\/p>\n<\/li>\n<li>\n<p>Create a new tab<\/p>\n<\/li>\n<li>\n<p>Turn the <b>Details pane<\/b>\u00a0on or off<\/p>\n<\/li>\n<li>\n<p>Select <b>More details<\/b>\u00a0while copying files<\/p>\n<\/li>\n<\/ul>\n<p><b>Workaround<\/b><\/p>\n<p>Microsoft is working to resolve this issue and will provide more information when it is available.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"wki\">\n<div class=\"wki-title\">Password icon might be missing or invisible in the lock screen sign-in options<\/div>\n<div class=\"wki-content\">\n<div class=\"wki-desc\">\n<p><b>Symptoms<\/b><\/p>\n<p>After installing the August 2025 non-security preview update (<a href=\"\/en-us\/topic\/august-29-2025-kb5064081-os-build-26100-5074-preview-3f9eb9e1-72ca-4b42-af97-39aace788d93\">KB5064081<\/a>) or later updates, you might notice that the password icon is not visible in the sign-in options on the lock screen. If you hover over the space where the icon should appear, you\u2019ll see that the password button is still available. Select this placeholder to open the password text box and enter your password. After entering your password, you can sign in normally.<\/p>\n<p><b>Workaround<\/b><\/p>\n<p>Microsoft is working to resolve this issue and will provide information when it\u2019s available.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/blockquote>\n<p>\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u306fWindows Update\u306e\u4ed6\u3001<a href=\"https:\/\/www.catalog.update.microsoft.com\/Search.aspx?q=KB5070311\">Microsoft Update Catalog<\/a>\u3092\u5229\u7528\u3057\u3066\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Microsoft\u306f12\u67081\u65e5(\u73fe\u5730\u6642\u9593)\u3001Windows 11 Version 25H2\/24H2\u7528\u306e\u30d7\u30ec\u30d3\u30e5\u30fc\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8KB5070311\u3092\u516c\u958b\u3057\u307e\u3057\u305f\u3002 \u30aa\u30d7\u30b7\u30e7\u30f3\u6271\u3044\u306e\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0(\u30d7\u30ec\u30d3\u30e5\u30fc\u7248)\u3067\u3001\u591a\u6570\u306e\u4e0d [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":131904,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[3],"tags":[4315,3298,4387],"class_list":["post-131902","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-windows","tag-kb","tag-windows","tag-windows11"],"_links":{"self":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/131902","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/comments?post=131902"}],"version-history":[{"count":0,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/131902\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media\/131904"}],"wp:attachment":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media?parent=131902"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/categories?post=131902"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/tags?post=131902"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}