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Your sensor's autoUpdate is erroring trying to download an engine pkg. The engine pkg requires crypto access (diff from sigupdate pkg). The error msg can be misleading in this case. Try manually downloading the IPS-engine-E3-req-6.1-1.pkg package ...
It looks like you may have been trying to "upgrade" the sensor using an image file (.img). The .img files are for re-imaging the sensor from rommon (during bootup) - you would lose all of your config doing this. If you are trying to get to the late...
