This has been an issue with some of our computers on and off. We had another issue and the technician was logged into the computer. After restarting AC on that computer that message came on and he said to ignore it, it does not affect the functioning of AC. So tech support is aware of this. We have had no problem after this eventhough invariably the message comes up on some computers. We just ignore it.

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Raj
From (mostly) sunny Port St Lucie, florida