Netsh wlan delete profile name=Īfter you have deleted the profile, try to connect to the access point again and specify the password. Try to delete the saved Wi-Fi network profile (as described in the post: How to Delete a Wi-Fi Network Profile). Your computer is trying to connect to the access point with old settings stored in the Windows wireless network profile. Perhaps the problem is that on the Wi-Fi router, the settings and / or the WEP/WPA2 key have simply been changed.
Disable Power Save Mode of the Wi-Fi Adapter.