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Java Help Center

Welcome to the Java.com Help Center, which describes solutions for issues you might encounter when downloading and installing Java on your system. Each month, consumers request millions of Java downloads from our site.

As users install Java for diverse third-party applications and applets across different platforms, we track the most frequently reported issues and error codes that they send us. Find their corresponding answers and line-by-line technical instructions by using the Help Resources and FAQs menu. You can also narrow your search further by selecting the Platform and Java Version filter options with the drop-down menus.


Top 15 Java Issues

This section is updated frequently, and offers links to our most requested information about installing, and using Java as well as most viewed FAQs.


Terminology: Java is the general term used to denote the software and its components, which include 'Java Runtime Environment' (JRE), and 'Java Virtual Machine' (JVM). When error messages specifically include terms such as JRE and JVM, we retain them.

Versions: The Help section contains information on three versions of Java.

Current Version Name Replaces Old Name Other Legacy Formats
Java 6
Java 6 Update x
JRE 6.0
JRE 1.6
1.6.0_0x
Java 5
Java 5 Update x
Java 2 SE 5
JRE 1.5
1.5.0_0x
Java 1.4 JRE 1.4


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