If you have forgotten the password of your network but luckily had it saved on your computer while connecting to the network, and dont want to reset the wireless router or if you are unable to do so, then you are in the same situation that i was,
There are various utilities out there for that purpose, but the one that i found useful is called: Wireless Key View.
The link to the official site is:
http://www.nirsoft.net/utils/wireless_key.html
How ever, you can download the copy of the files from the link at the end of this article, from our server too.
The downloaded file is the latest release as of date: 4th january, 2009.
By this simple file you can easily reveal the saved password for xp wireless in a very small time.
The password for wireless key are saved in the windows registry and can easily be revealed by a software like this which reads the registry values saved for this wireless key and decrypting them and showing to the user.