CCleaner deletes "C:\Documents and Settings\[Profile Name]\Application Data\OpenOffice.org2\user\registry\data\org\openoffice\Office\Common.xcu"
This file stores recent document information and settings. CCleaner should edit the file and delete the portion containing recent document information instead of deleting the entire file.
Contents of file:
<?xml version="1.0" encoding="UTF-8"?>
<oor:component-data xmlns:oor="http://openoffice.org/2001/registry" xmlns:xs="http://www.w3.org/2001/XMLSchema" oor:name="Common" oor:package="org.openoffice.Office">
<node oor:name="Internal">
<prop oor:name="CurrentTempURL" oor:type="xs:string">
<value/>
</prop>
</node>
<node oor:name="Misc">
<prop oor:name="FirstRun" oor:type="xs:boolean">
<value>false</value>
</prop>
</node>
<node oor:name="Cache">
<node oor:name="GraphicManager">
<prop oor:name="ObjectCacheSize" oor:type="xs:int">
<value>2516582</value>
</prop>
<prop oor:name="TotalCacheSize" oor:type="xs:int">
<value>9437184</value>
</prop>
</node>
</node>
<node oor:name="Help">
<node oor:name="HelpAgent">
<prop oor:name="Enabled" oor:type="xs:boolean">
<value>false</value>
</prop>
<node oor:name="IgnoreList">
<node oor:name="URL23179" oor:op="replace">
<prop oor:name="Counter" oor:type="xs:int">
<value>2</value>
</prop>
<prop oor:name="Name" oor:type="xs:string">
<value>vnd.sun.star.help://swriter/33368?Language=en-US&System=WIN#bm_id3159242</value>
</prop>
</node>
</node>
</node>
</node>
<node oor:name="History">
...
</node>
<node oor:name="AutoCorrect">
<prop oor:name="DoubleQuoteAtEnd" oor:type="xs:int">
<value>0</value>
</prop>
<prop oor:name="DoubleQuoteAtStart" oor:type="xs:int">
<value>0</value>
</prop>
<prop oor:name="ReplaceSingleQuote" oor:type="xs:boolean">
<value>true</value>
</prop>
<prop oor:name="SingleQuoteAtEnd" oor:type="xs:int">
<value>0</value>
</prop>
<prop oor:name="SingleQuoteAtStart" oor:type="xs:int">
<value>0</value>
</prop>
</node>
</oor:component-data>