Visual C++ .NET - Error System.TypeInitializationException

HRESULT hres;

    wsprintf( baseBoardManufacturer, "");

    wsprintf( baseBoardModel, "");

    wsprintf( macAddress, "");

    // Step 1: --------------------------------------------------

    // Initialize COM. ------------------------------------------

    hres =  CoInitializeEx(0, COINIT_MULTITHREADED);

    if (FAILED(hres))

    {

//        cout << "Failed to initialize COM library. Error code = 0x"

//            << hex << hres << endl;

        return false;                  // Program has failed.

    }

    // Step 2: --------------------------------------------------

    // Set general COM security levels --------------------------

    // Note: If you are using Windows 2000, you need to specify -

    // the default authentication credentials for a user by using

    // a SOLE_AUTHENTICATION_LIST structure in the pAuthList ----

    // parameter of CoInitializeSecurity ------------------------

    hres =  CoInitializeSecurity(

        NULL,

        -1,                          // COM authentication

        NULL,                        // Authentication services

        NULL,                        // Reserved

        RPC_C_AUTHN_LEVEL_DEFAULT,   // Default authentication

        RPC_C_IMP_LEVEL_IMPERSONATE, // Default Impersonation  

        NULL,                        // Authentication info

        EOAC_NONE,                   // Additional capabilities

        NULL                         // Reserved

        );

    if (FAILED(hres))

    {

//        cout << "Failed to initialize security. Error code = 0x"

//            << hex << hres << endl;

        CoUninitialize();

        return false;                    // Program has failed.

    }

    // Step 3: ---------------------------------------------------

    // Obtain the initial locator to WMI -------------------------

    IWbemLocator *pLoc = NULL;

    hres = CoCreateInstance(

        CLSID_WbemLocator,

        0,

        CLSCTX_INPROC_SERVER,

        IID_IWbemLocator, (LPVOID *) &pLoc);

    if (FAILED(hres))

    {

//        cout << "Failed to create IWbemLocator object."

//            << " Err code = 0x"

//            << hex << hres << endl;

        CoUninitialize();

        return false;                 // Program has failed.

    }

    // Step 4: -----------------------------------------------------

    // Connect to WMI through the IWbemLocator::ConnectServer method

    IWbemServices *pSvc = NULL;

    // Connect to the root\cimv2 namespace with

    // the current user and obtain pointer pSvc

    // to make IWbemServices calls.

    hres = pLoc->ConnectServer(

         _bstr_t(L"ROOT\\CIMV2"), // Object path of WMI namespace

         //bstr_t(L"\\\\noorgani-8xwxwf\\root\\cimv2"),

         //bstr_t(L"\\\\fbt-4bf51dc0762\\root\\cimv2"),

         NULL,                    // User name. NULL = current user

         NULL,                    // User password. NULL = current

         0,                       // Locale. NULL indicates current

         NULL,                    // Security flags.

         0,                       // Authority (e.g. Kerberos)

         0,                       // Context object

         &pSvc                    // pointer to IWbemServices proxy

         );

    if (FAILED(hres))

    {

//        cout << "Could not connect. Error code = 0x"

//             << hex << hres << endl;

        pLoc->Release();

        CoUninitialize();

        return false;                // Program has failed.

    }

//    cout << "Connected to ROOT\\CIMV2 WMI namespace" << endl;

    // Step 5: --------------------------------------------------

    // Set security levels on the proxy -------------------------

    hres = CoSetProxyBlanket(

       pSvc,                        // Indicates the proxy to set

       RPC_C_AUTHN_WINNT,           // RPC_C_AUTHN_xxx

       RPC_C_AUTHZ_NONE,            // RPC_C_AUTHZ_xxx

       NULL,                        // Server principal name

       RPC_C_AUTHN_LEVEL_CALL,      // RPC_C_AUTHN_LEVEL_xxx

       RPC_C_IMP_LEVEL_IMPERSONATE, // RPC_C_IMP_LEVEL_xxx

       NULL,                        // client identity

       EOAC_NONE                    // proxy capabilities

    );

    if (FAILED(hres))

    {

//        cout << "Could not set proxy blanket. Error code = 0x"

//            << hex << hres << endl;

        pSvc->Release();

        pLoc->Release();

        CoUninitialize();

        return false;               // Program has failed.

    }

    // Step 6: --------------------------------------------------

    // Use the IWbemServices pointer to make requests of WMI ----

    // For example, get the name of the operating system

    IEnumWbemClassObject* pEnumerator = NULL;

    hres = pSvc->ExecQuery(

        bstr_t("WQL"),

        //bstr_t("SELECT * FROM Win32_OperatingSystem"),

        bstr_t("SELECT * FROM Win32_BaseBoard"),

        //bstr_t("SELECT * FROM Win32_NetworkAdapter"),        

        //bstr_t("SELECT * FROM Win32_DiskDrive"),                

        WBEM_FLAG_FORWARD_ONLY | WBEM_FLAG_RETURN_IMMEDIATELY,

        NULL,

        &pEnumerator);

    if (FAILED(hres))

    {

//        cout << "Query for BaseBoard failed."

//            << " Error code = 0x"

//            << hex << hres << endl;

        pSvc->Release();

        pLoc->Release();

        CoUninitialize();

        return false;               // Program has failed.

    }

    // Step 7: -------------------------------------------------

    // Get the data from the query in step 6 -------------------

    IWbemClassObject *pclsObj = NULL;

    ULONG uReturn = 0;

    while (pEnumerator)

    {

        HRESULT hr = pEnumerator->Next(WBEM_INFINITE, 1,

            &pclsObj, &uReturn);

        if(0 == uReturn)

        {

            break;

        }

        VARIANT vtProp;

        // Get the value of the ... property

        //hr = pclsObj->Get(L"Name", 0, &vtProp, 0, 0);

        //hr = pclsObj->Get(L"Caption", 0, &vtProp, 0, 0);    // Win32_DiskDrive        

        //hr = pclsObj->Get(L"DeviceID", 0, &vtProp, 0, 0);    // Win32_DiskDrive        

        //hr = pclsObj->Get(L"Model", 0, &vtProp, 0, 0);    // Win32_DiskDrive        

        //hr = pclsObj->Get(L"SystemName", 0, &vtProp, 0, 0);    // Win32_DiskDrive        

        //hr = pclsObj->Get(L"Product", 0, &vtProp, 0, 0);    // Win32_BaseBoard

        //hr = pclsObj->Get(L"MACAddress", 0, &vtProp, 0, 0);    // Win32_NetworkAdapter

        //wcout << "Value : " << vtProp.bstrVal << endl;

        hr = pclsObj->Get(L"Manufacturer", 0, &vtProp, 0, 0);    // Win32_BaseBoard

        //wcout << vtProp.bstrVal << endl;

        sprintf( baseBoardManufacturer, "%.128S", vtProp.bstrVal );

        VariantClear(&vtProp);

        hr = pclsObj->Get(L"Product", 0, &vtProp, 0, 0);    // Win32_BaseBoard

        //wcout << vtProp.bstrVal << endl;

        sprintf( baseBoardModel, "%.128S", vtProp.bstrVal );

        VariantClear(&vtProp);

        pclsObj->Release();

    }

    //-----

    pEnumerator = NULL;

    hres = pSvc->ExecQuery(

        bstr_t("WQL"),

                                //"SELECT * FROM Win32_NetworkAdapter Where (adaptertypeID = 0)"

                                // y ver q realmente lista al menos uno y que el mac no son todos los numeros iguales

        //bstr_t("SELECT * FROM Win32_NetworkAdapter"),

        bstr_t("SELECT * FROM Win32_NetworkAdapter Where (adaptertypeID = 0)"), //!! nuevo

        WBEM_FLAG_FORWARD_ONLY | WBEM_FLAG_RETURN_IMMEDIATELY,

        NULL,

        &pEnumerator);

    if (FAILED(hres))

    {

//        cout << "Query for NetworkAdapter failed."

//            << " Error code = 0x"

//            << hex << hres << endl;

        pSvc->Release();

        pLoc->Release();

        CoUninitialize();

        return false;               // Program has failed.

    }

    // Step 7: -------------------------------------------------

    // Get the data from the query in step 6 -------------------

    pclsObj = NULL;

    uReturn = 0;

    bool trincoprimero = false;    //!! nuevo

    while (pEnumerator)

    {

        HRESULT hr = pEnumerator->Next(WBEM_INFINITE, 1,

            &pclsObj, &uReturn);

        if(0 == uReturn)

        {

            break;

        }

        VARIANT vtProp;

        // Get the value of the ... property

        hr = pclsObj->Get(L"NetConnectionStatus", 0, &vtProp, 0, 0);    // Win32_NetworkAdapter

        //if( vtProp.uintVal == 1 || vtProp.uintVal == 2 || vtProp.uintVal == 9 ) {

        if( vtProp.uintVal == 1 || vtProp.uintVal == 2 || vtProp.uintVal == 9  || vtProp.uintVal == 7) {  //!! nuevo , que tambien puede estar desconectado si utilzando por ejemplo el wifi

            VariantClear(&vtProp);

            hr = pclsObj->Get(L"MACAddress", 0, &vtProp, 0, 0);    // Win32_NetworkAdapter

            //wcout << "Value : " << vtProp.bstrVal << endl;

            wsprintf( macAddress, "%.128S", vtProp.bstrVal);

            VariantClear(&vtProp);

            trincoprimero = true;

        }

        pclsObj->Release();

        if (trincoprimero == true)

            break;

    }

    // Cleanup

    // ========

    pEnumerator->Release();

    pSvc->Release();

    pLoc->Release();

    CoUninitialize();