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What would cause message (121) "Operation restricted access denied" when trying to switch from Monitor Mode to Program mode using ProWORX NxT?

The most common cause of this error is a file that gets created called NXT.SYS and has to be deleted. You need to exit Proworx Nxt before deleting the NXT.SYS file and then launch it again after the file is deleted.

Legacy KB System (APS) Data: RESL213325 V1.0, Originally authored by RoAl on 01/28/2014, Last Edited by RoAl on 01/28/2014
Related ranges: ProWORX
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