Many dongles rely on a background service (like Sentinel LDK License Manager or Wibu-Key Server ) to function. If this service isn't running, the software won't see the key. Press Win + R , type , and hit Enter.
Windows’ power saving feature often cuts power to USB devices, causing them to disappear mid-update. Many dongles rely on a background service (like
If not detected anywhere → contact vendor for dongle replacement or temporary license; provide dongle serial and purchase info. Many dongles rely on a background service (like
If the dongle is physically present but the error persists, the drivers are likely out of date or corrupted. Many dongles rely on a background service (like