How to Troubleshoot Java
Java has become deeply ingrained in our daily computing life; think of all the games and tools that we use daily that require us to have the latest version installed on our systems. Java's popularity is mostly because it translates well to being used on Internet applications, since it is completely cross-platform, meaning that it works exactly the same on Windows, Mac and Linux. This prevalence makes being able to quickly and effectively troubleshoot Java very important for even the most casual computer user.
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Instructions
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Update Java. It is possible that you are having trouble with your installation of Java because it is not updated to the latest version. The easiest way to check for a Java update is to look for the Java icon, a cup of coffee, in your taskbar, located at the bottom right of your screen. Click the icon. It will then check for an update; if there is one, it will ask permission to perform the update and, once you allow it to update, it will automatically download and install the newest version of the software. If this does not solve your problem, then you are going to have re-install Java.
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Open your "Control Panel" and navigate to "Add/Remove" programs. Highlight "Java" and click "Remove." It could take a few moments for Windows to remove Java from your system; it is important that you do not disrupt this process, as doing so could potentially damage your system.
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Open the web browser of your choice and navigate to Java's website (see Resources). Click on the button that says "Free Java download." This does not automatically download Java, but it takes you to a page that lists all the possible versions of Java that would be appropriate for your system.
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Download the appropriate version of Java by clicking on the corresponding download link; usually it is best to download the latest version of Java. Be sure to download the appropriate one for your system's hardware and architecture; if you have a 64bit system you need the 64bit version of Java, and if you have the 32bit version of Windows you need the 32bit of Java.
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Accept the default settings for the installation and proceed with the automated installation; accepting the default settings ensures that Java will install properly and be found easily when called by an application. Allow the install to complete and restart your computer if prompted to do so. Java should now be working properly on your system.
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