registry settings

Windows 11 still hides file extensions by default — and that small decision matters. Enabling file extensions is a one-minute, one-click change that makes file types explicit, reduces the chance of falling for a disguised executable, and prevents frustrating rename mistakes; the methods to do it...

Microsoft has published guidance and an immediate mitigation for CVE-2026-21509 — a security-feature-bypass vulnerability that affects Microsoft Office — and administrators should apply the recommended protections now while patches are rolled out. (msrc.microsoft.com) Background and high-level...