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uefi troubleshooting
About this tag
UEFI troubleshooting on WindowsForum.com covers issues related to Secure Boot certificate transitions that can cause boot loops during Windows 11 clean installs. A common problem occurs when Microsoft's 2011 Secure Boot certificates expire and the system fails to recognize newer 2023 certificate authorities, leading to installation failures after the first reboot. Temporarily disabling Secure Boot, completing the Windows setup and updates, then re-enabling Secure Boot often resolves the issue. This tag focuses on practical fixes for UEFI-related boot failures, particularly those stemming from cryptographic trust chain mismatches in modern Windows environments.
A Neowin writer reported in June 2026 that two Windows 11 clean installs failed to continue after the first reboot until Secure Boot was temporarily disabled, Windows setup completed, updates were installed, and Secure Boot was then turned back on. The story matters because it turns a quiet...