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Just upgraded from Windows 7 to Windows 10 and v 10.2.20. Now I can´t present the charts from C-Map, just the general overview.
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Which type of C-Map charts - MAX, 4D, dongle etc?
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It´s C-Map MAX on PC, without dongle.
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It sounds as if the chart licensing has been broken by the Windows update.
You may need to reinstall your charts, but it is possible you may need a new chart key from C-Map or your C-Map reseller.
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Thanks, I´ll get in contact with them tomorrow.