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What is Java Update?
This article applies to:
- Platform(s):
Windows 2000 (SP4+), Windows XP (SP1 SP2), Windows 98, Windows ME, Windows 2003
- JRE version(s):
1.4.2_xx
This page describes the Java Update feature with these sections:
- What is Java Update?
- What does it do?
- Notification of a new update
- Download the new update
- Install the new update
- How to make changes to the settings?
- Disable Java Update feature
- Manually check for updates
- Change the notification option
- Change the update schedule
- What is Java Update?
The Java Update feature checks to see if there are any new patches available for the Java Runtime Environment (JRE). A patch is a revision to the software.
Java Update installs patches to the JRE and does NOT upgrade to a new version of the JRE. A patch version has a underscore in the version number. (ie: JRE 1.4.2_xx). For example, if JRE 1.4.2 is installed on the system and Java Update detects that a patch is available on Java.com (ie: JRE 1.4.2_01), it will notify the user of the update. It will not upgrade from JRE 1.4.2 to JRE 1.5 since JRE 1.5 is a completely new version.
- What does it do?
- Notification of a new update
The Java Update feature connects to Java.com at the scheduled time and checks to see if there is an update available. A tooltip balloon will appear when there is an update available on Java.com.
- Download the new update
When the user clicks on the balloon, the Ready to Download - Java Update dialog box appears. You can choose to go ahead with the update or you can install the update at a later time. To start the download, click on the Download button. Click on the Remind Me Later button if you want to download the update at a later time.
If you choose to start the download process, a tooltip balloon appears to show the download progress.
- Install the new update
A tooltip balloon notifies you when the update is ready for installation. Click on the balloon to start the installation process.
Click on the Install button to install the update or click on the Remind Me Later button to install the update at a later time.
Once you click on the Install button, a InstallSheild Wizard Preparing to Install dialog box will appear and the installation process begins.
When the installation is complete, a dialogue box will appear. Click Finish to complete the installation.
- How to make changes to the settings?
Go to the Java Plug-in Control Panel:
Start > Control Panel > open the Java Plug-in control panel.
Click on the Update tab.
Note: The Update tab may not be there if your network administrator has disabled the Java Update feature during installation.
- Disable the Java Update feature.
To disable the Java Update feature, deselect the Check for Updates Automatically checkbox.
- Manually check for updates.
You can manually check for an update any time by clicking on the Update Now button.
- Change the notification option.
There are two notification options. The default option is Before downloading and before installing. If you choose this option, you will be notified before downloading the update and before installing the update. The other option is Before Installing which allows Java Update to automatically download the update and notify you when the new update is ready for installation. The update will not do the install until you give permission to do so.
- Change the update schedule.
To change the update schedule, click on the Advanced... button.
At the Automatic Update Advanced Settings dialog box, you can change the frequency and the time to perform the check for a new update. Click OK when you are finished.
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