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Java Help Center

Welcome to the Java.com Help Center where we describe solutions for issues you might encounter when downloading and using Java on your computer. We track the most frequently reported issues and error codes and provide answers for them on this page.


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), 'Java Virtual Machine' (JVM) and also 'Plug-in'. When error messages specifically include terms such as JRE, JVM and Plug-in, we retain them.

Versions: Version refers to the Java family and the Update number. Examples: On the website or under Windows programs, version appears as Java 7 Update 45. Older versions can also appear as 1.6.0_15, which refers to Java 6 Update 15.
The Help section contains information on the following versions of Java.

Current Version Name Replaces Old Name Other Legacy Formats
Java 7
Java 7 Update x
JRE 7.0
JRE 1.7
1.7.0_0x
Java 6
Java 6 Update x
JRE 6.0
JRE 1.6
1.6.0_0x


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