JNLP - Unable to launch application

Whenever I try to load my JNLP file, it is throwing the following exception.

com.sun.deploy.net.FailedDownloadException: Unable to load resource: http://a.b.c.d/MyProgram/MS.jnlp

            at com.sun.deploy.net.DownloadEngine.actionDownload(Unknown Source)

            at com.sun.deploy.net.DownloadEngine.getCacheEntry(Unknown Source)

            at com.sun.deploy.net.DownloadEngine.getResourceCacheEntry(Unknown Source)

            at com.sun.deploy.net.DownloadEngine.getResourceCacheEntry(Unknown Source)

            at com.sun.deploy.net.DownloadEngine.getResource(Unknown Source)

            at com.sun.deploy.net.DownloadEngine.getResource(Unknown Source)

            at com.sun.javaws.Launcher.updateFinalLaunchDesc(Unknown Source)

            at com.sun.javaws.Launcher.prepareToLaunch(Unknown Source)

            at com.sun.javaws.Launcher.launch(Unknown Source)

            at com.sun.javaws.Main.launchApp(Unknown Source)

            at com.sun.javaws.Main.continueInSecureThread(Unknown Source)

            at com.sun.javaws.Main$1.run(Unknown Source)

            at java.lang.Thread.run(Unknown Source)

Solution:

1. Start Java Control Panel (from windows control panel -> java, OR from Java folder)
2. On "General" tab click "Network settings..."
3. Choose "Browser Settings" instead of "Use Proxy server"
4. Click OK and you are done.

Listening ports on windows XP

DOS command line tool to display the listening ports along with their Process Id's
Open command prompt and type  :- netstat -ano


DOS command to kill a particular process id
Open command prompt and type  :- tskill processid


Source:-
Wikipedia
http://commandwindows.com/taskkill.htm