Not unique to Fujifilm, Windows 10 broke support for USB transfer of images from some cameras to your computer.
Fujifilm have released a selection of updates for their cameras to support Windows 10 and restore that capability for anyone running Windows 10.
Follow the links below to find updates for your camera.
Fujifilm will update the X-A2 next month and the other cameras by December. There is a rumour going round of a major update to the X100S in December, but at the moment that is just a rumour.