Version 24H2 Archives

Tech Optimizer

February 25, 2026

Fix “kernel security check failure”: Step-by-step guide

The "kernel security check failure" error on Windows indicates corruption in critical system memory or internal data structures, triggering a bug check to prevent further damage. It is marked by the Blue Screen of Death (BSOD) displaying the message “KERNELSECURITYCHECK_FAILURE” and stop code 0x139. Causes include outdated or incompatible drivers, corrupted system files, faulty RAM, disk errors, third-party software conflicts, faulty Windows updates, overclocking, and malware threats. Common fixes involve updating Windows and drivers, scanning for corrupted files, using Check Disk (CHKDSK), running Windows Memory Diagnostic, and performing System Restore. If unresolved, a clean installation of Windows may be necessary. Regular updates and avoiding unnecessary software installations can help prevent future occurrences.

Winsage

February 18, 2026

Microsoft details Windows 11 26H1 support cycle, CPU requirements (just Snapdragon X2 for now), and more

Microsoft announced that Windows 11 26H1 will be supported for consumers until March 2028, with rollout starting for PCs with eligible CPUs, specifically the Snapdragon X2 family, which includes Snapdragon X2 Plus, Snapdragon X2 Elite, and Snapdragon X2 Elite Extreme. The official launch occurred on February 10, 2026, alongside its first cumulative update. Users with first-generation Snapdragon Copilot+ PCs cannot upgrade to this version. Windows 11 26H1 is described as a "hardware-optimized release" aimed at enhancing performance and efficiency for Arm-based chips, though it does not promise significant enhancements over version 25H2 or the upcoming 26H2. Enterprise and Education editions will be supported until March 13, 2029, while Home and Pro editions will be supported until March 14, 2028. Windows 11 SE is not supported in 26H1. A new release, Windows 11 26H2, is expected to be available for all users, including those with first-generation Arm-based PCs, and will be the recommended update for broader deployment. Upgrades from version 25H1 to 26H1 are not possible, and all upgrade paths are currently closed, with plans to transition to version 27H2 in the latter half of 2027.

Winsage

February 11, 2026

Windows 11 KB5077181 & KB5075941 cumulative updates released

Microsoft has released cumulative updates KB5077181 and KB5075941 for Windows 11, affecting versions 25H2, 24H2, and 23H2, which include the February 2026 Patch Tuesday security patches. Users can install these updates via Start > Settings > Windows Update or manually from the Microsoft Update Catalog. The build numbers will change to 26200.7840 for 25H2, 26100.7840 for 24H2, and 226x1.6050 for 23H2. Key enhancements include: - Fixed gaming device eligibility issues. - Resolved connectivity issues with WPA3-Personal Wi-Fi networks. - Introduced new Secure Boot certificate targeting data. - New Cross Device Resume feature for continuing activities from Android phones on PCs. - Enhanced MIDI support for musicians with compatibility for MIDI 1.0 and 2.0. - Improved Narrator control over on-screen announcements. - New Device card in Settings for PC specifications. - Ability to toggle Smart App Control without a clean installation. - Revamped Voice Access setup process. - New Wait time setting for Voice Typing commands. - Enhanced sign-in security for Windows Hello with peripheral fingerprint sensors. No new issues have been reported with this month's updates.

AppWizard

January 29, 2026

Windows 11 is getting close to resuming your Android apps like Apple Handoff

Microsoft is enhancing its Cross-Device Resume feature, initially introduced in 2025, which allows users to transition seamlessly between Android devices and Windows PCs. The recent rollout of Windows 11 builds 26100.7701 and 26200.7701 includes significant enhancements to this feature, such as resuming Spotify playback from phone to PC and continuing browsing sessions and work in Microsoft Office applications. Specific Android phone users, including those from Vivo, HONOR, OPPO, Samsung, and Xiaomi, can continue browsing sessions from their respective browsers and edit online files opened in the Microsoft Copilot app on their phones on their PCs. The update also allows toggling Smart App Control without a clean installation and introduces a Device card on the Settings home page.

Winsage

January 29, 2026

Windows 11’s Gaming Gains Overshadowed by Stability Crisis: Performance Tests Reveal a Troubled Transition

Microsoft's Windows 11 version 24H2 shows performance improvements in gaming, with frame rate enhancements ranging from 2% to 8% across various titles, particularly benefiting newer DirectX 12 games. However, users report significant stability issues, including Blue Screen of Death (BSOD) errors, crashes during gameplay, and compatibility problems with certain hardware and software. These issues affect a wide range of systems, suggesting systemic challenges rather than isolated incidents. The operating system's hardware compatibility requirements, such as TPM 2.0 support, have also limited upgrade eligibility for many users. Microsoft has acknowledged specific issues related to Intel and AMD processors, antivirus software conflicts, and outdated drivers. Despite ongoing patch deployments, user frustration persists due to the slow pace of fixes. The stability concerns have led some businesses to delay Windows 11 24H2 deployments, prioritizing reliability over performance gains. The driver ecosystem's lag in updates from hardware manufacturers has further complicated stability. The gaming community remains divided, with many users opting to stay on Windows 10 due to these stability risks.

Winsage

January 28, 2026

Windows 11 26H2: Expected features, platform changes, and potential release schedule

Windows 11 follows an annual feature update schedule, with the 26H2 update expected to launch in late 2026. This update will be the next major version after 25H2 and will continue to use the Germanium platform. It may function as an enablement package, activating existing features rather than introducing new ones. Anticipated features include increased AI capabilities in applications like Paint and Notepad, refined dark mode options, a revamped Run dialogue box, an AI-powered search feature, and the Xbox Full Screen experience. The build number will increase to 26300. The 26H2 update is projected for a September or October release in 2026.

Winsage

January 28, 2026

Microsoft Issues Several Windows Insider Preview Builds

The Windows Insider Program has shifted significantly, with new builds released across the Dev, Beta, and Release Preview channels. The Dev channel has advanced to the 26300 series builds, moving away from the 26200 series of the Beta channel. Users on the Dev channel will upgrade to Windows 11 version 25H2 build 26300.7674 with the installation of build KB5074170, which focuses on fixes without new functionalities. The Beta channel will receive cumulative update KB5074169, upgrading to Windows 11 version 25H2 build 26220.7670, also centered on fixes. The Release Preview build KB5074105 introduces new features for both 25H2 and 24H2 versions, elevating them to builds 26200.7701 and 26100.7701, respectively. Key improvements include multi-language support for the Agent in Settings, cross-device resume capabilities, enhanced MIDI support, customizable Narrator options, a new Devices card in Settings, easier toggling of Smart App Control, improved Voice Access and Voice Typing features, and expanded support for external fingerprint readers in Windows Hello Enhanced Sign-In Security.

Winsage

January 19, 2026

The Last Windows Security Updates of January 2026 Are Here

Microsoft released its first set of security updates for the Windows operating system and various products in January 2026, addressing over 110 vulnerabilities. The updates are available for all supported versions of Windows, with Windows 10 receiving fixes only through the Extended Security Updates (ESU) program. Windows 11 versions 24H2 and 25H2 are the main consumer releases benefiting from these updates. Approximately 112–114 security updates were released, with around 8 rated as Critical. At least one zero-day vulnerability is actively exploited. The updates include security fixes for Windows, Office, Edge, Azure, and server components. Windows 11 versions 23H2, 24H2, and 25H2, as well as Windows Server 2023 and 2025, have known issues. Windows 11 version 24H2 and 25H2 received security fixes for multiple vulnerabilities, while version 23H2 continues to receive support through enterprise servicing channels. Windows 10 updates are limited to ESU-enrolled systems, with general support ending in October 2025. Windows Server 2016, 2019, 2022, 2023, and 2025 received January security updates, addressing important vulnerabilities without disclosing any critical ones. Microsoft also released updates for Office products and SharePoint Server components. Known issues after the January updates include credential prompt failures and authentication issues in Azure Virtual Desktop and Windows 365, particularly affecting the new Windows App. Workarounds involve using the classic Remote Desktop client or the web-based RDP client. Additionally, devices with Secure Launch enabled may experience shutdown and sleep mode failures. Microsoft has provided out-of-band fixes for certain affected systems as of January 18, 2026. Users can manually install updates through the Windows Update feature, and it is recommended to create a full system backup before proceeding with updates.

Winsage

January 10, 2026

Microsoft Ends Support for Windows 11, Office 2021 in 2026: Upgrade Now

Microsoft will conclude support for several key products on October 14, 2026, including Windows 11 version 24H2 and Office 2021. This end-of-support wave also affects various Azure services, Exchange Server versions, and certain .NET frameworks. Organizations must evaluate migration costs and risks associated with operating unsupported products, as the lack of updates could lead to security vulnerabilities. Extended Security Updates (ESUs) will be available for select products but at a premium cost. Migration challenges include potential hardware incompatibilities and the need for custom solutions for legacy applications. Proactive planning, inventory assessments, and prioritizing critical systems for migration are recommended strategies. The transition aligns with Microsoft's vision of promoting cloud-based and AI-enhanced technologies. Economic implications include increased IT spending, particularly affecting small and medium enterprises.

Winsage

January 7, 2026

Windows 11 version 26H1 will launch exclusively on Snapdragon X2 devices this spring

Microsoft is set to launch Windows 11 version 26H1, designed specifically for PCs using Qualcomm's Snapdragon X2 platform. ASUS will pre-install version 26H1 on its upcoming ZenBook A14 and A16 models. In contrast, the ZenBook S14 and S16, featuring Intel and AMD processors, will come with version 25H2. Version 26H1 is built on a new platform called Bromine, offering performance and stability enhancements not present in version 25H2, which is based on the previous version 24H2. The Windows Insider Program allows users to install version 26H1 on any compatible PC, though the changes are mainly foundational.