fileopen.xml

<?xml version="1.0" encoding="UTF-8"?>
<packages:packages xmlns:packages="http://www.wpkg.org/packages">

  <package id="fileopen" name="FileOpen plugin" revision="%version%.1" reboot="false" priority="10">
    <!-- downlaod from http://plugin.fileopen.com/all.aspx -->
    <!-- test pdf http://plugin.fileopen.com/installcomplete/installcomplete.pdf -->
    <!-- This plug-in is required to open PDF files encrypted by FileOpen rights management software -->

    <variable name="version" value="3.0.165.993" />
    <variable name="version_end" value="993" /> <!-- the last three number of %version%, used as part of the 'check', it seems you can't add .* as part of the 'path' value -->

    <check type="uninstall" condition="versiongreaterorequal" path="FileOpen Client (x64) B%version_end%" value="%version%" />

    <install cmd='msiexec /l* %WPKGLOGDIR%\fileopen_%version%_install.log /qn /i "%WPKGSOFTWARE%\fileopen\FileOpenInstaller64.msi"' />

    <upgrade include="remove" />
    <upgrade include="install" />

    <remove cmd='msiExec.exe /qn /X{9FA1F7CD-6A96-4FB5-99ED-618E3296DDDE}' />
   </package>

</packages:packages>