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<title>Reverting to a previous install configuration</title>
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<h1>Reverting to a previous install configuration</h1>
<p>As you install, upgrade, and uninstall software into your system, configuration
snapshots are kept in a history. Reverting to a previous configuration allows you
to back out of the results of an unsuccessful install, upgrade, or uninstall.
To revert to a saved configuration:
</p>
<ol>
<li>Click <b>Help &gt; About</b> and then click
<a class="command-link" href='javascript:executeCommand("org.eclipse.ui.help.installationDialog")'>
<img src="PLUGINS_ROOT/org.eclipse.help/command_link.png" alt="command link">
<b>Installation Details...</b></a> to open a dialog showing pages that provide more detail about your installation. </li>
<li> Click the <b>Installation History</b> tab to see a list of previously saved configurations. Selecting each configuration
will show you what was installed in that configuration. When you have found the configuration
to which you want to revert, click <b>Revert</b>.</li>
<li>Click <b>Yes</b> when asked to exit and restart the Workbench for the changes
to take effect.</li>
<li>When you restart, you should see that the <b>Installed Software</b> page list matches
the configuration that you chose.</li>
</ol>
<P><img border="0" src="../images/ngrelc.png" alt="Related concepts" ><br>
<a href="../concepts/concepts-25.htm">Features</a>
</P>
<P><img border="0" src="../images/ngrelt.png" alt="Related tasks" ><br>
<a href="tasks-130.htm">Installation Details</a><br>
<a href="tasks-120.htm">Updating the installation</a><br>
<a href="tasks-124.htm">Installing new software</a><br>
<a href="tasks-125.htm">Updating software using the Available Updates wizard</a><br>
<a href="tasks-126.htm">Uninstalling software</a><br>
</P>
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