: It might be applying silent updates to system data files like (Apple's built-in malware scanner). Apple Support Community 🚀 Performance Tips
—a computer program that runs as a background process rather than being under the direct control of an interactive user. Primary Job standaloneupdaterdaemon
If OneDrive fails to start, some users resolve it by right-clicking the OneDrive icon in Applications and selecting Show Package Contents Navigate to the internal folders (e.g., Contents/MacOS Contents/Helpers ) and delete StandaloneUpdaterDaemon.xpc : It might be applying silent updates to
– Upon detecting an update, the daemon downloads the package in chunks (using delta patching if supported). To minimize disruption, it waits for the system to be idle (low CPU usage, no active full-screen applications). Finally, it applies the update, which may require restarting the associated application or, in rare cases, the entire system. To minimize disruption, it waits for the system
: A significant part of its function is to keep the system secure by applying security updates. This is crucial for servers and personal computers alike, as outdated software can be a significant vulnerability.