{02d4b3f1-fd88-11d1-960d-00805fc79235} - Necessary

%sysdir%\dllhost.exe /processid:{02d4b3f1-fd88-11d1-960d-00805fc79235}

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Description:

%sysdir%\dllhost.exe /processid:{02d4b3f1-fd88-11d1-960d-00805fc79235}
%SysDir%\dllhost.exe /Processid:{02D4B3F1-FD88-11D1-960D-00805FC79235} is a COM+ system Application service.
It is a part of Microsoft® Windows® Operating System.
Manufacturer: Microsoft Corp.
www.microsoft.com