The Agent Updater would accidently save its cmk-update-agent.state to C:\etc if this directory was existant.
This could lead to an implausible update state. Virtually the Agent Updater would lose its registration information.
After an update or a manual reinstallation to a newly baked agent, a new registration might be required.
However, you might want to delete the cmk-update-agent.state located at C:\etc after the problem has been fixed.
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