to manage or "Revive" Apple Silicon Macs and iOS devices. It generally points to a communication or handshake failure

: Ensure the host computer has an unrestricted internet connection. If you are on a corporate network, try a mobile hotspot to bypass potential firewall blocks. Force Restart & Retry : If the error persists, force restart

This error rarely happens in a vacuum. It typically occurs in the following scenarios:

If running from a script, use:

(decimal 603) appears in Microsoft documentation as ERROR_INSTALL_PACKAGE_INVALID — but that is a mobile/AppX error. In the context of enterprise utilities, it has been repurposed by OEMs to mean “Required dependency not met.”