Windows Update

Winsage
April 18, 2026
A series of updates have been released, focusing on system integrity and performance. Users should perform verification tasks, including installing, uninstalling, and repairing MSI packages, connecting and disconnecting cloud sync providers, and enrolling devices in Intune or MDM solutions. The Common Log File System driver (clfs.sys) is receiving a follow-up patch, along with updates to Storage Spaces (spaceport.sys) and app isolation file system drivers (bfs.sys, wcifs.sys). Users should also run Windows Update installation and rollback cycles, install and uninstall applications, and verify data integrity through backup solutions. For Storage Spaces, creating a pool with mirrored and thin virtual disks and ensuring clean deletion is necessary. April's updates for Office target MSI editions, including Excel 2016 (KB5002860), PowerPoint 2016 (KB5002808), Office 2016 shared libraries (KB5002859), and SharePoint Server editions from 2016 to 2019. These updates do not apply to Click-to-Run deployments like Microsoft 365 Apps. Users should validate complex Excel workbooks, PowerPoint presentations, SharePoint document libraries, and the functionality of Office add-ins. Testing for two High Risk components is essential: changes to Kerberos may disrupt services using RC4 keytabs, and the Remote Desktop client update requires validation of clipboard functionality, printer redirection, and session reconnection. Validating Secure Boot and BitLocker is critical as CVE-2023-24932 key rolling progresses. Additionally, cloud sync testing is important due to five patches to the Projected File System driver, and regression testing is needed for dual afd.sys updates and VPN/IPsec patches across remote-access infrastructure. Office updates are limited to MSI editions.
Winsage
April 17, 2026
Microsoft has programmed its Edge browser to automatically launch after a Windows 11 update, displaying a page that informs users their update is complete and prompts them to explore new features. This page lacks a close button, directing users to click a blue "Next" button to proceed. The features highlighted include the reinstatement of the taskbar clock, the ability to pin Emojis to the taskbar, Copilot's document summarization, the Snipping Tool's Quick markup, and AI actions in File Explorer's context menu. Users can provide feedback via like and dislike buttons, but these do not close the page. Windows 11 also includes pre-installed Get Started and Get Help apps that could showcase features instead of redirecting users to Edge. Edge, built on the Chromium engine, supports all extensions from that platform and includes features like AI tab organizer, Vertical Tabs, and Immersive Reader.
Winsage
April 17, 2026
On October 10, 2025, Microsoft ceased support for Windows 10, ending technical assistance, feature updates, and security updates. Organizations are required to transition to Windows 11. During the migration, IT administrators may face errors indicating that certain device settings were not successfully migrated, which can disrupt user experience. Causes of these errors include outdated or incompatible device drivers, failing physical components, incompatible software, restrictive group policies, missing registry keys, and interference from third-party tools. Affected devices may malfunction, impacting productivity. IT teams can troubleshoot these issues by restarting computers, identifying problematic devices using Device Manager, verifying and updating device drivers, checking physical devices, ensuring the operating environment is up to date, utilizing Microsoft command-line utilities, and performing clean boots or system restores if necessary.
Winsage
April 16, 2026
Users have reported issues with Windows 11 update KB5083769, which has triggered BitLocker recovery key prompts, locking some users out of their PCs. Microsoft acknowledged that the problem mainly affects corporate devices with specific BitLocker Group Policy settings. The issue is limited to systems where BitLocker is enabled, certain Group Policy configurations are set, and the Secure Boot State PCR7 Binding is “Not Possible.” Affected users need to enter their BitLocker recovery key or contact IT support for assistance. Microsoft has also provided guidance for IT departments to perform a Known Issue Rollback to remove the problematic updates, though this may expose systems to vulnerabilities.
Winsage
April 16, 2026
The FAT32 file system, historically limited to a 32GB partition size due to a design choice by Microsoft engineer Dave Plummer, can inherently support volumes up to 2TB with a 512-byte sector size and theoretically up to 16TB with 4KB sectors. While Windows maintained this 32GB limit, motherboard manufacturers had already developed firmware to utilize larger FAT32 drives. Tools like Rufus and GUIFormat were used to format high-capacity media, as Windows did not allow direct FAT32 formatting for drives larger than 32GB. However, with the introduction of Windows 11 Insider Preview Builds 26220.8165 and 26300.8170, users can now format large flash drives and external volumes as FAT32 directly from the Command Prompt without third-party software.
Winsage
April 16, 2026
Microsoft is transforming its Windows Update system, starting in April, marking the most significant overhaul in over 15 years. The new system will centralize the management of operating system patches, drivers, and application updates, aiming to enhance user experience by simplifying the update process and improving reliability. Users will experience fewer interruptions, as updates will be consolidated into a single restart cycle, and updates will be scheduled during idle times to minimize disruptions. The update system will also expand support for driver and hardware updates. This transformation aligns with Microsoft's long-term vision for AI-enhanced PCs and cloud-integrated systems, enabling scalable updates for AI features and improving compliance for enterprise users. The rollout will begin gradually in April to mitigate risks associated with compatibility and execution.
Winsage
April 16, 2026
Microsoft has introduced a new feature in Windows 11 and Windows 10 that informs users about the status of Secure Boot as part of the April Patch Tuesday update. This feature includes a visual indicator that shows whether devices have the latest Secure Boot certificates, which protect against bootkit malware. The Secure Boot icon can display in green, yellow, or red, indicating different security statuses: green means secure with no actions needed, yellow indicates a pending safety recommendation, and red signals that immediate attention is required. Users can check their Secure Boot status through Settings in both operating systems. It is important to install the latest Windows updates to ensure devices have the most recent Secure Boot certificates, as older certificates will expire in June. The April updates also address 164 vulnerabilities, including eight classified as critical and two identified as zero-day flaws. Users are advised to prioritize these updates to maintain system security.
Winsage
April 15, 2026
Microsoft has resolved an issue that caused unexpected upgrades from Windows Server 2019 and 2022 to Windows Server 2025. This problem was first reported in September 2024 when administrators found their servers upgraded without the necessary licenses. Initially, Microsoft attributed the issue to misconfigured third-party update management software, while developers claimed it was due to Microsoft's procedural errors regarding update release speed and classification. Microsoft confirmed the resolution of the issue and re-enabled the upgrade offer through the Windows Update settings. Additionally, Microsoft released an out-of-band update to address complications from a previous non-security preview update and deployed emergency updates to fix sign-in disruptions across various applications. Other updates were issued to resolve Bluetooth visibility issues and security vulnerabilities in the Routing and Remote Access Service management tool.
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