This usually indicates a power management conflict or corrupted driver. Open Device Manager > Right-click the adapter > Properties > Power Management tab. Uncheck "Allow the computer to turn off this device to save power." If the tab is unavailable, run the sfc /scannow command in CMD (Admin) to repair system files.
Since Zeb does not maintain a large public support website (the device is often sold under various generic branding), you have three primary options to download the driver. zeb-usb300wf1 driver