I'm using Windows 7.
Thank you for the reply. I am using Windows 7. All works well until I export images to hard drive (Flash drive), then the trouble appears
Would upgrading from LR 5.7.1 to LR 6 help? The suite we use in the mall has no internet available so I doubt Lightroom CC would work.
Exporting images to an external storage device would not cause any issue to tethered shooting.
Please follow the steps provided in the above link and see if it helps.