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Recovering my encrypted Manjaro installation after an update
After updating Manjaro, my system stopped booting and GRUB displayed this error:
Error: grub_is_using_legacy_shim_lock_protocol not found
These are the recovery steps that restored my installation.
Historical note: This procedure worked on my machine in October 2025. I no longer use Manjaro and have not revalidated it against current releases. Treat it as a record of one recovery, not a maintained guide, and confirm the current procedure in the Manjaro documentation or support forum before making changes.