The IDL in this directory is provided by the Google Update team. The original file was modified by removing the following two coclasses: [ uuid(___AUTO_GENERATED_GUID___), helpstring("GoogleComProxyMachineClass") ] coclass GoogleComProxyMachineClass { [default] interface IUnknown; } [ uuid(___AUTO_GENERATED_GUID___), helpstring("GoogleComProxyUserClass") ] coclass GoogleComProxyUserClass { [default] interface IUnknown; }