For legacy versions like e1.5, the dongle is more than just an accessory; it is the software's "heart." License Authentication:
Using a USB 3.0 port for an older 2.0 dongle (try a USB 2.0 hub if this happens). Antivirus software blocking the dongle's communication. Outdated Technology Usb Dongle For Wilcom Embroidery Studio E1 5
Are you looking to replace a lost dongle, or are you trying to troubleshoot a connection issue with your existing one? For legacy versions like e1