Combofix Windows 11 !full! Jun 2026

Important: If ComboFix halts with errors or the system becomes unstable, boot into Windows Recovery Environment using your recovery USB and restore the disk image or repair startup.

Windows 11 requires Secure Boot. ComboFix tries to modify the boot configuration database (BCD) and the Master Boot Record. Windows 11’s Secure Boot will detect this as an unauthorized boot-level change and completely lock your hard drive, forcing a full Windows reinstall from a USB drive. combofix windows 11