I have just aadded a home wireless to my laptop and was working perfectly fine. I installed a few windows 7 updates and since then my my laptop won't connect to my wireless. It shows up as a connection and let's me click connect but fails. Its says there's a security conflict and it may not match what is store on my lappy. Iv changed the security type and key and still nothing. Other devices connect fine. Its Windows 7 and I'm using wpa2