1. Jave Plugin Problem

• “HELP-Java display problem!  If you have an issue with the Java plug-in or Flash plug-in error, please click
  https://support.mozilla.org/en-US/kb/why-do-i-have-click-activate-plugins “
• When is it OK to activate instead of updating a plugin?
  Updating a plugin is always the safest thing to do but, sometimes, it may not be possible. For example, you may not be allowed to update a computer at work or school. In a situation like this, you can make a smart choice depending on your current task:

If you're using a trusted site like YouTube or a special site for your work or school, you might feel safe enough to enable a vulnerable plugin in order to view the site’s content.

• If you don't fully trust a site that you arrived at from, for example, following a link, you probably do not want activate the plugin.
• How to always activate a plugin for a trusted website
  If you are unable to update a plugin and you are using a trusted site, you can set that plugin to automatically run whenever using that site:
• Click the red plugin icon in the address bar and a message window will open.
• In the message panel, click Allow and Remember.
• 
  Now, whenever you visit this site, the plugin will automatically run and you won't get the "Click to activate" message.