Im publishing this and the related note
The Claude follow up made me laugh
Check in C:\Program Files (x86)\NinjaOne for an uninstaller. If it’s there, it worked when the Control Panel one didn’t.
Note: This agent hadn’t checked in for 3 days and had been removed from the website — unclear if not checking in after removal affects which uninstall.exe works.
Otherwise run:
"C:\Program Files (x86)\NinjaOne\NinjaRMMAgent.exe" -disableUninstallPrevention
Then run the Control Panel uninstall, or run:
Followup
Related: Ninja - Create List of Devices. This entry trails off mid-thought — the command after “or run:” never got written down, so the full sequence isn’t captured yet. Worth finishing the note next time this comes up, and maybe turning the disable-prevention + uninstall sequence into a one-liner in Scripts/ once the missing step is confirmed.