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The June 2026 Secure Boot Certificate Expiry: What You Need to Know

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If you dual-boot or run a Linux distribution with Secure Boot enabled, you may have heard about a major security deadline. The original Microsoft 2011 UEFI Third-Party Certificate Authority (CA) keys, which most Linux distributions rely on to sign their initial bootloaders (shim) on consumer PC hardware, expired at the end of June 2026 The expiration of a certificate doesn't invalidate already-installed, signed binaries on your system; firmware doesn't check expiration dates at boot time. However, moving forward, future Linux bootloader updates and security patches will be signed exclusively using the new Windows UEFI CA 2023 key . If your motherboard's firmware database isn't updated to trust this new 2023 key, your Linux system may eventually experience package management blocks or fail to apply critical bootloader updates. Before running updates, check if Secure Boot is active and see if your system already recognizes the 2023 certificate hierarchy. Open your termi...
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The New Frontier of Windows Efficiency: PC Manager's Latest Update

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Microsoft's commitment to enhancing user experience is evident in the latest update to their PC Manager tool for Windows. This update isn't just a small step; it's a giant leap forward in helping users maintain and optimize their systems efficiently.


One of the standout features in this update is the introduction of a Duplicate Files Detection system. This tool is a game changer for anyone who struggles with file management. It sifts through your directories, identifying any duplicated content, which not only frees up precious disk space but also declutters your file system.


Another exciting addition is the Dark Mode
This feature has been highly requested and it’s easy to see why. It’s not just about the aesthetics; dark mode is easier on the eyes, especially when managing your system settings late into the night.


The updates to PC Manager suggest a clear trajectory towards creating a more autonomous and intuitive system management tool. Microsoft seems to be paving the way for PC Manager to become an essential utility within the Windows ecosystem, possibly integrating more deeply with other Windows services and settings. 

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