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Windows 11's biggest updates may need multiple reboots, but that's normal, don't force shutdown
Winsage
July 20, 2026

Windows 11’s biggest updates may need multiple reboots, but that’s normal, don’t force shutdown

Users may experience double reboots when installing substantial Windows updates, such as the April and July 2026 Updates, due to factors like Secure Boot and .NET Framework updates. The July 2026 .NET Framework update specifically requires a separate reboot. Microsoft is still rolling out the Secure Boot 2023 certificate update, which may also lead to multiple reboots. Users are advised not to panic during these reboots and to allow the system time to complete the installation process. Additionally, Microsoft has warned against delaying updates for more than three days due to increasing update sizes related to security vulnerabilities. Some users may encounter SCEP certificate errors in the Event Viewer after the July 2026 Update, but these errors do not indicate a failure of the update process.
July 2026 Patch Tuesday: KB5101650 Windows 11 Update
Winsage
July 20, 2026

July 2026 Patch Tuesday: KB5101650 Windows 11 Update

On July 14, 2026, Microsoft released cumulative update KB5101650 for Windows 11 versions 25H2 and 24H2, addressing OS Builds 26200.8875 and 26100.8875. This update includes essential security fixes, updates to Secure Boot certificates, and enhanced Remote Desktop Protocol (RDP) defenses against phishing attacks. It consolidates July 2026's security content, addressing known vulnerabilities and introducing functional improvements. The update is critical for minimizing exposure to identified threats and is prioritized for systems managing remote access or nearing certificate expiration. The update enhances Remote Desktop security by supporting SHA-2 certificate thumbprints while retaining SHA-1 for legacy compatibility. It includes new Group Policy options to mitigate phishing risks associated with malicious .rdp files. The curl upgrade to version 8.21.0 incorporates security patches for command-line tools in Windows environments. Secure Boot certificates are automatically updated through Windows updates, ensuring boot security across various hardware. KB5101650 installs primarily through the Windows Update interface, requiring a restart to activate changes. Enterprise environments can use the Microsoft Update Catalog for manual distribution. A temporary restriction affects certain Dell devices with Intel Innovation Platform Framework drivers, which Microsoft plans to address in a future update. The cumulative update resolves a total of 622 Microsoft CVEs, including 416 affecting Windows components. Users are advised to verify and install the update promptly to secure the full suite of improvements.
Windows 11 Secure Boot is a messy ride on older PCs, and even Microsoft can't fix it
Winsage
July 19, 2026

Windows 11 Secure Boot is a messy ride on older PCs, and even Microsoft can’t fix it

Microsoft held an OEM Secure Boot Office Hours event with manufacturers like Acer, Asus, Dell, and HP to discuss issues related to the Windows 11 Secure Boot 2023 certificate rollout. Many IT administrators left with unresolved concerns, particularly regarding Secure Boot certificate errors. Participants reported persistent problems, including failures of suggested solutions from official documentation to apply to their hardware configurations. Ed Tittel shared his experience with compliance issues related to CA-2023 certificates, noting that ASUS motherboards sometimes required Secure Boot to be disabled temporarily, while MSI models exhibited erratic behavior. ASRock systems needed manual key resets, and documentation was lacking. Devices from Dell, HP, and Lenovo performed better but still faced staggered rollouts and required multiple reboots for BIOS updates. Specific issues raised included HP's BitLocker recovery loop persisting even with the latest BIOS, challenges with legacy device support from HP, devices showing Secure Boot Status as Unknown, and failures in updating the KEK on HP EliteBooks. Some questions from IT administrators regarding Dell and HP went unanswered during the session. The experiences highlighted a trend of Secure Boot issues across multiple OEMs, not limited to a single vendor. IT administrators are advised to pilot updates on representative hardware, back up BitLocker recovery keys, and consult OEM-specific advisories. The unresolved issues reflect common challenges faced by users, indicating that problems with Secure Boot certificate deployments are widespread across various manufacturers.
Windows 11 Secure Boot certificates have expired, and Microsoft says what to do next
Winsage
July 18, 2026

Windows 11 Secure Boot certificates have expired, and Microsoft says what to do next

Microsoft held its OEM Secure Boot Office Hours event on July 15, where engineers collaborated with OEM representatives from companies like Acer, Asus, Cisco, Dell, and HP. IT administrators were able to ask live questions about the Secure Boot 2023 rollout. The discussion thread became a detailed technical record, especially following the expiration of the first certificates three weeks prior. Concerns raised by IT admins included BitLocker recovery loops, stuck confidence ratings, and unhelpful Intune error codes. Key facts include: - Devices offline for long periods will still receive the 2023 certificates upon reconnecting to Windows Update. - Devices with existing 2023 certificates in firmware will switch to the new boot manager after the latest Windows patches are installed. - A new script, Detect-SecureBootCertUpdateStatus.ps1, is available in Windows for checking certificate status. - BIOS updates may reset a device’s confidence rating to unrated, which is normal and does not indicate certificate failure. - Admins should edit the AvailableUpdates registry key, not the AvailableUpdatesPolicy, which is managed by Intune and Group Policy. - A licensing bug affecting AvailableUpdatesPolicy on devices upgraded from Pro to Enterprise was resolved by Microsoft in 2026. - BitLocker recovery is not typically linked to the certificate update process but may relate to firmware or PCR issues. - Dell and HP provided guidance on which BIOS versions include the 2023 certificates for their newer models. - Older HP EliteBook 840 G5 units require a manual update package for the new certificates. - Eligible devices can still receive the 2023 certificates in the future, and Surface devices released from 2024 onward come pre-equipped with them. - Microsoft confirmed that devices running 2011 certificates will not lose the ability to receive the 2023 chain. - The Microsoft Corporation KEK CA 2011 and Microsoft UEFI CA 2011 certificates have expired, with the Microsoft Windows Production PCA 2011 set to expire on October 19, 2026.
Windows 10 just got a big security update. Here's who gets it
Winsage
July 16, 2026

Windows 10 just got a big security update. Here’s who gets it

Microsoft released update KB5099539 for Windows 10, enhancing security and addressing vulnerabilities. This update is part of a broader initiative for Windows 10 22H2, Windows 10 Enterprise LTSC 2021, and Windows 10 IoT Enterprise LTSC 2021. It will be automatically installed on eligible systems, resulting in build number 19045.7548. The update resolves issues in File Explorer related to OneDrive shortcuts and erroneous error messages during file deletions, as well as fixes for keyboard shortcut malfunctions. Windows 10 PCs will receive updated Secure Boot certificates, which are essential for system integrity, with Microsoft actively rolling these out. Secure Boot certificates for most Windows devices are set to expire starting in June 2026. Users must be enrolled in the Extended Security Updates (ESU) program to benefit from the KB5099539 update, which provides continued support until October 12, 2027.
Microsoft rolls out massive Windows 11 security update with 416 fixes
Winsage
July 14, 2026

Microsoft rolls out massive Windows 11 security update with 416 fixes

Microsoft released its July 2026 Patch Tuesday cumulative updates for Windows 11, addressing numerous security vulnerabilities and enhancing Secure Boot functionalities. The updates include: - KB5101650 for Windows 11 25H2 and 24H2, updating systems to builds 26200.8875 and 26100.8875. - KB5101649 for Windows 11 26H1, updating devices to build 28000.2525. The release addresses a total of 622 Microsoft Common Vulnerabilities and Exposures (CVEs), including: - 416 vulnerabilities in Windows. - Fixes for Microsoft Office, Edge, Exchange Server, SharePoint Server, SQL Server, Defender, and Azure services. Key vulnerabilities fixed include: - CVE-2026-50661: A BitLocker Security Feature Bypass vulnerability. - CVE-2026-56155: An AD FS Elevation of Privilege vulnerability that has been exploited. - CVE-2026-56164: A SharePoint Server Elevation of Privilege vulnerability. The updates also introduce new Secure Boot certificates, rectify issues from previous patches affecting third-party applications, and incorporate curl 8.21.0 for security improvements. Users are advised to back up data before installation, which requires a system reboot.
Secure Boot certificate updates are broken on some PCs, Microsoft confirms
Winsage
July 14, 2026

Secure Boot certificate updates are broken on some PCs, Microsoft confirms

Microsoft has acknowledged that several older Secure Boot certificates have expired, necessitating updates for Windows 10 and 11 users. A temporary halt in the issuance of new Secure Boot certificates affects specific PCs, particularly various HP models. Most PCs will receive updates automatically through Windows Update, but some may require a firmware update from the manufacturer. Users may see messages indicating that Secure Boot certificate updates are paused or blocked due to known issues or hardware/firmware limitations. Until manufacturers like HP release necessary firmware updates, users cannot update their Secure Boot certificates. Although the immediate risk from expired certificates is low, it is expected to increase over time. Devices with un-updated Secure Boot certificates will continue to function normally, but they will not receive new security updates, making them vulnerable to emerging threats. Essential features that rely on updated security measures may cease to function correctly as new security challenges arise.
Watch out Windows users, a Secure Boot update has been blocked on Windows 11 PCs due to failing on some devices — here's how to check if you're affected
Winsage
July 13, 2026

Watch out Windows users, a Secure Boot update has been blocked on Windows 11 PCs due to failing on some devices — here’s how to check if you’re affected

Microsoft has blocked Secure Boot updates on certain Windows 11 devices due to complications in transitioning from the 2011 Secure Boot certificate to the 2023 certificate. The rollout of the 2023 certificate has faced challenges, particularly on devices with firmware issues. HP is issuing a BIOS update to help with the installation of the latest Secure Boot certificate, and Microsoft is providing an update for users to verify their Secure Boot status. Users are advised to check for pending Windows updates and consult their OEM’s Secure Boot support page for compatibility information.
Microsoft confirms Secure Boot update failing on some Windows 11 PCs, promises a resolution
Winsage
July 10, 2026

Microsoft confirms Secure Boot update failing on some Windows 11 PCs, promises a resolution

Microsoft has acknowledged that some Windows 11 PCs are facing issues with Secure Boot certificate updates, which may fail to install or be blocked. The company is working with PC manufacturers to develop a patch, while users may need to take proactive measures if their certificates are obstructed. Microsoft has temporarily halted the rollout of Secure Boot for certain devices due to complications, and affected users will receive detailed error messages in the Windows Security app regarding their Secure Boot certificates. Secure Boot certificates issued in 2011 have expired, and Microsoft is replacing them with new certificates issued in 2023. Most modern hardware is already utilizing the new certificates, but some devices may have disabled Secure Boot or faulty firmware. Users can check their Secure Boot status in the Windows Security app. HP has confirmed that Secure Boot updates are being blocked on some of its PCs due to a BitLocker issue, which prevents the installation of new certificates. Microsoft has paused Secure Boot certificate updates for devices affected by known issues while collaborating with manufacturers to identify specific devices or firmware complications. A firmware update will be necessary for affected devices, but it is not yet available. The majority of PCs have received the Secure Boot certificates via Windows Update, but compatibility issues may prevent some devices from receiving the update. Older devices or those not among the OEM’s top-selling models may not receive updates if the UEFI firmware is unsupported. Secure Boot is a security feature required for Windows 11, preventing unauthorized software from executing at boot. While an expired Secure Boot certificate does not stop a PC from functioning, it may limit long-term security protection. Microsoft advises users not to disable Secure Boot, as it would compromise security further.
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