Patch Management > Patch status page shows error below when performing patch test
The agent does not have the correct credentials to perform the operation.
Open Start menu =>services => Agent service => right click => properties => "Log on" tab => Make sure it is set as "Local System Account" as screenshot below, if it is not please set it as such and restart the agent service. Proceed with running patch test again.
If this does not help resolve the issue please create a ticket so we can investigate.