Windows Updates: New Boot Certificates, Error Fixes, and New Problems

Microsoft released unplanned updates over the weekend. They correct errors in the January patches and bring new boot certificates.
Windows Latest

Microsoft confirms Windows 11 KB5074109 January update BSOD, boot issues on some PCs (commerical)

Windows 11 KB5074109 (January 2026 Update) is causing major issues on some PCs, and Microsoft has more details to share.
Bleeping Computer

Microsoft fixes bugs causing Windows Server 2025 blue screens, install issues

Microsoft has fixed several bugs that cause install, upgrade, and Blue Screen of Death (BSOD) issues on Windows Server 2025 devices with a high core count. The symptoms include Windows Server 2025 ...

Microsoft issues second emergency patch for Windows this month - update your PC today

Microsoft issues second emergency patch for Windows this month - update your PC today ...
Neowin

Microsoft blocks BlackLotus Secure Boot mitigations on TPM 2.0 Windows Server 2012 PCs0 0

Microsoft this past week released its April 2024 Patch Tuesday updates for Windows 10 (KB5036892), Windows 11 (KB5036893), and more. As is often the case, users encountered various problems and issues ...

The first big Windows update of 2026 is a glitchy mess - here's the full list of bugs and fixes

The first big Windows update of 2026 is a glitchy mess - here's the full list of bugs and fixes ...
The Register on MSN

Microsoft probes Windows 11 boot failures tied to January security updates

Some machines are failing to start after security updates, prompting yet another Microsoft investigation Microsoft is ...