wireless network security key is not correct

This is one of the common issues. when you try to connect to a wireless, it will show you

 Windows cannot connect to * (Wireless network security key is not correct). Here are some steps you can follow to fix the issue:

1. Re-type the security key in your laptop to make sure it is really correct.
2. Verify that your laptop is using the correct wireless security protocol (WEP, WPA, WPA2)?
3. Try deleting the network profile on the laptop and re-creating it.
4. If none of that works, reset your router and then configure the security settings, then set up the profiles on your computers.