No missing OS patches?

No missing OS patches?

I'm using the free/trial version of Desktop Central & yesterday when I ran a scan it reported back that none of the 8 machines I scanned needed any OS patches. Up until then, it had been working perfectly.
I know for a fact this is wrong but just to test it, I added another machine that I know needs at least 100 patches, installed the agent but Desktop Central is showing me that it requires none.
When I view All Patches, it tells me the number of systems each OS patch is needed on but when I go to each system, it is only telling me about 3rd Party patches.

Any idea what is causing this?

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