com.symantec.SymLUHelper.NFM
SymLUHelper is a system daemon component of Symantec Norton Security (and Symantec Endpoint Protection for Mac). This helper process runs in the background and manages part of Norton's core protective functionality on macOS, including real-time file scanning and threat monitoring. As a launchDaemon, it cannot be updated separately from its parent application — updates to Norton Security are what keep this helper current.
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1 suggestionSymLUHelper is a sub-component of Norton Security and cannot be updated on its own. To ensure it has a native Apple Silicon build, you need to update Norton Security itself. Broadcom (which acquired Symantec) released native Apple Silicon support for Symantec Endpoint Protection starting in version 14.3 RU3, and more recent builds incorporate further native optimizations. Visit support.norton.com or launch Norton Security directly and check for updates via its own update mechanism (typically Help → Check for Updates or similar). If Norton's update checker reports you are on the latest version, verify it is version 14.3 RU3 or newer to confirm you have the native Apple Silicon build. If you are on an older build, uninstall Norton completely and reinstall the current version from Broadcom's website to ensure you get the native build rather than an older Intel-only package.
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