I'm getting the same message, on latest version 1.04.
2019-03-04 13:53:33: VESC® Tool 1.04 started
2019-03-04 13:53:34: Status: Not connected
2019-03-04 13:53:34: DEBUG (:0 ): QNetworkReplyHttpImplPrivate::_q_startOperation was called more than once QUrl("https://vesc-project.com/vesctool-version.html")
2019-03-04 13:53:59: WARNING (:0 ): BLE Scan error: QBluetoothDeviceDiscoveryAgent::UnsupportedPlatformError
I'm getting the same message, on latest version 1.04.