Syncback
This is a silent installer and uninstaller for Syncback. More infos from here
<package
id="syncback"
name="Syncback Freeware Edition"
revision="1"
reboot="false"
priority="45">
<check type='file' condition='versiongreaterorequal' path='%ProgramFiles%\2BrightSparks\SyncBack\Syncback.exe' value='3.2.19.0' />
<install cmd='%PACKAGES%\syncback\SyncBack_Setup.exe /verysilent' />
<upgrade cmd='%PACKAGES%\syncback\SyncBack_Setup.exe /verysilent' />
<remove cmd='%ProgramFiles%\2BrightSparks\SyncBack\unins000.exe /SILENT' />
</package>