Managed installer wasn’t ready. Apply an AppLocker policy to the device and try again, or wait for Intune to try the installation again the next time the device syncs.

Run the first script here to clear the Managed Installer

https://pariswells.com/blog/research/powershell-clear-applocker-policy-to-set-intune-as-the-managed-installer/

Then run a Sync on the PC so the Device enrolls with this script

https://pariswells.com/blog/research/sidecar-intune-managed-installer/

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