Microsoft investigates Windows 11 boot failures after January updates

Microsoft is investigating reports that some Windows 11 devices are failing to boot with "UNMOUNTABLE_BOOT_VOLUME" errors after installing the026 Patch Tuesday security updates.
ZDNet

How to clear your Windows 11 PC cache (and why it makes such a big difference)

Follow ZDNET: Add us as a preferred source on Google. If your computer desktop looks a little chaotic and you're noticing some performance slowdown, it might be time to do a cleanup. The best way to ...
Tech Times

Windows 11 Shutdown Bug Explained: Why Your PC Won't Turn Off and How to Fix It

Windows 11 shutdown bug explained with causes, fixes, and workarounds to stop restarts, battery drain, and failed power-offs after updates.
Neowin

Microsoft admits these two Windows 11/10 features definitely slow your PC down0 0

Back in August 2025, we compared the performance of Windows 10 22H2 with Windows 11 24H2 to see how much better the new OS is in performance as support for Windows 10 is ending very soon. The results ...
PC Gamer

Surprise surprise, people are still in no hurry to switch to Windows 11, Dell reveals

Windows Microsoft says the Windows 11 boot failure bug is linked to another buggy update: 'This issue can occur on devices that failed to install the December 2025 security update and were left in an ...