This error is a common sign of problems with your Wi-Fi adapter or router. It does not mean that your wireless adapter is disabled, but that the device cannot communicate with the router as it should. If other wireless devices are already connected to the Wi-Fi router, the problem is the computer getting this error.
However, before you try any of the following methods, try rebooting the router. Wait 5-6 minutes for the router to initialize and then try connecting again. If the “Connection Restricted” error still occurs, follow these steps.