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![keep getting "There was an error installing update" on my Nuvi 770 - Garmin Express Mac - Mac/Windows Software - Garmin Forums keep getting "There was an error installing update" on my Nuvi 770 - Garmin Express Mac - Mac/Windows Software - Garmin Forums](https://forums.garmin.com/resized-image/__size/640x480/__key/communityserver-discussions-components-files/95/Garmin-nuvi-770-_2D00_-Full-Europe-Map-Update-Error-Message.png)