The Key Exchange Key (KEK) acts as an authority that allows Microsoft to update the other databases, like the DB and DBX that tell your computer which bootloaders are safe.
Microsoft has released the KB5077241 optional cumulative update for Windows 11, which comes with 29 changes, including improvements to BitLocker, a new network speed test tool, and native System ...
Windows 11’s February 2026 Insider update is live, and it brings a fresh round of new features and changes for testers.
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