Error : Application blocked by security settings

I came across into this error when I try to download
a file from pldt bills online.

Solution:

 1. Open JAVA Control Panel

•   Windows 8

             Use search to find the Control Panel

             Press Windows logo key + W to open the Search charm to search settings
            OR
            Drag the Mouse pointer to the bottom-right corner of the screen, then click on 
                the Search icon.
            In the search box enter Java Control Panel
            Click on Java icon to open the Java Control Panel.

•   Windows 7, Vista

            Click on the Start button and then click on the Control Panel option.
            In the Control Panel Search enter Java Control Panel.
            Click on the Java icon to open the Java Control Panel.

•   Windows XP

            Click on the Start button and then click on the Control Panel option.
            Double click on the Java icon to open the Java Control Panel.

•   Mac OS X 10.7.3 and above

            Click on Apple icon on upper left of screen.
            Go to System Preferences
            Click on the Java icon to access the Java Control Panel.


2. Goto Security Tab

•   OPTION a. You may change the security level into MEDIUM

•   OPTION b. Or you may add the URL on the exception list

           * Click Edit Site List
           * Click Add button
           * Enter the URL
           * Press Enter
           * You will be prompted to Continue or Cancel on Security Warning - HTTP Location
           * Just click "Continue" button
           * Click "OK"

3. Click "OK"