Changes
update to thunderbird 3.1.1
id="thunderbird"
name="Mozilla Thunderbird"
revision="1311"
reboot="false"
priority="0">
<check type="uninstall" condition="exists" path="Mozilla Thunderbird (3.1.1)" />
<install cmd='"%SOFTWARE%\thunderbird\Thunderbird Setup 3.1.1.exe" -ms' />
<upgrade cmd='taskkill /F /IM thunderbird.exe'>
</upgrade>
<upgrade cmd='"%SOFTWARE%\thunderbird\Thunderbird Setup 3.1.1.exe" -ms' />
<remove cmd='taskkill /F /IM thunderbird.exe'>