<UpdateIdentity UpdateID="e521bd7c-e919-4179-9d19-ca5d2aaa0710" RevisionNumber="101" /><Properties UpdateType="Detectoid" /><Relationships><Prerequisites><UpdateIdentity UpdateID="22bf57a8-4fe1-425f-bdaa-32b4f655284b" /></Prerequisites></Relationships><ApplicabilityRules><IsInstalled><b.RegKeyExists Key="HKEY_LOCAL_MACHINE" Subkey="SOFTWARE\Microsoft\Real-Time Communications\{990E2E88-1499-40D3-907A-6798A7A7013F}" /></IsInstalled></ApplicabilityRules>