Java is not enabled in the web browser. If Java is already installed but applets do not work, you may need to enable Java through your web browser.
SOLUTION
Please follow these instructions to enable Java though your Web browser:
Internet Explorer 4.x and Up
Click "Tools" --> "Internet Options"
Select the Advanced Tab, and scroll down to "Java (Sun)"
Check the box next to the Java version
Next, select the Security Tab, and select the "Custom Level" button
Scroll down to "Scripting of Java applets"
Make sure the "Enable" radio button is checked.
Click OK to save your preference.
Mozilla 1.x
From the menu bar, choose Edit --> Preferences
Select the Advanced category
Check the box labeled "Enable Java"
Click OK to save your preference.
Netscape 7.x
From the menu bar, choose Edit --> Preferences
Select the Advanced category
Check the box labeled "Enable Java"
Click OK to save your preference.
Netscape 4.x
From the menu bar, choose Edit --> Preferences
Select the Advanced category
Select "Certificates"
Check the box labeled "Enable Java"
Check the box labeled "Enable Java Plug-in"
Click OK to save your preference.
Other Web BrowsersFirefox 0.8 and Up
Start Mozilla Firefox browser or restart it if it is already running.