anchor.diff:      throw exception;
     }
   
  -  IWbemServices pSvc = IWbemServices(COMObject.allocate().addressOf); // CHECK
  +  final proxy = allocate<IntPtr>(); // CHECK
   
     // Connect to the root\cimv2 namespace with the
     // current user and obtain pointer pSvc
  
positive.code:       NULL, // Security flags
        nullptr, // Authority
        nullptr, // Context object
        pSvc.ptr.cast() // IWbemServices proxy // CHECK
        );
  
    if (FAILED(hres)) {
  
negative.code: 
    print('Connected to ROOT\\CIMV2 WMI namespace');
  
    final pSvc = IWbemServices(proxy.cast());
    // Set the IWbemServices proxy so that impersonation
    // of the user (client) occurs.
    hres = CoSetProxyBlanket(
        Pointer.fromAddress(proxy.value), // the proxy to set // CHECK
        RPC_C_AUTHN_WINNT, // authentication service
        RPC_C_AUTHZ_NONE, // authorization service
        nullptr, // Server principal name
  