Changes
no edit summary
I use this
<source lang="xml">
<package id="symantec"
name="Symantec Endpoint Protection client"
<remove cmd='msiexec.exe /I{87C925D6-F6BF-4FBD-840B-53BAE2648B7B} /qn' />
</package>
</source>
Also see http://www.symantec.com/business/support/index?page=content&id=TECH102668