Please start you post with brand, model, problem.
I know for some models it's not enough just to plug the SD card in (the correct slot) so you better take a look at the installation guide. I think the MPC3002 does have another SD card (I think it was VM) so you need to move the data/licence via SP mode. Same goes for uninstalling the option - SD card will be worthless if one doesn't follow the description.
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