If you want everything to be fine with the Wavlink device then first keep your Computer and Laptop up to date. But it still shows you some setup errors. The problem might be with the knowledge regarding the setup then. You can follow the steps. See the WPS button on the device then, press the button gently on your Wavlink extender and the router. Although the process is not at all time taking. If the lights on both devices are strongly blue then the Wavlink AC1200 Setup is done. If not then you need to open the web browser. Thereafter you have to enter the website address in the URL space of the browser, which is wifi.wavlink.com. Therefore, find the update button. This is the best way to log into the portal and change the settings.