windows XP - Validating identity

When you try connecting to the wireless network it says "validating identity"

and at the bottom of the system tray it says "windows was unable to find a certificate to log you on to the network"

This problem occurs when you have a enabled wep security on the router.
To Resolve the issue click Change Advance settings on the left of the screen.
Click the Wireless Networks tab. Select the wireless networks tab and click properties.

Under association uncheck The key is provided form me automatically and enter the network key and confirm network key. Click Ok.

Again select the network and click properties.
Go to the Authentication tab and uncheck Enable IEEE 802.1x. Then click OK.

The wireless connection will get connected automatically.