This indicates a corrupted download. Extract the driver package again. If the error persists, the driver version is incorrect for your specific ES 388 revision (V2.0, V2.1, V3.0). Check the dongle’s sticker.
. Since this device is often unbranded, you typically won't find a dedicated manufacturer's website for support. Instead, you should look for drivers compatible with the Broadcom BCM2045 chipset or general Bluetooth V2.0 + EDR drivers: Bluetooth v2.0 Class 1 USB 2.0 Adapter (Blue) - 123Ink Bluetooth Usb Adapter Es 388 V2 0 Driver Windows 7
