Приходя разные значения от CIMV2 и при replace

        size_t i = 0;
    size_t len = onceLine.length();
    while (i < len) {
        if (!isalnum(onceLine[i]) || onceLine[i] == ' ') {
            onceLine.erase(i, 1);
            len--;
        }
        else
            i++;
    }

const char* PCInformation::GetCIMV2(const char* className, const char* keyName)
{
    const char* result = nullptr;
    HRESULT hRes = CoInitializeEx(NULL, COINIT_MULTITHREADED);
    if (HasBeenInitialized == false)
    {
        HasBeenInitialized = true;
        if (FAILED(hRes))
        {
            cout << "Unable to launch COM: 0x" << std::hex << hRes << endl;
            return "";
        }
 
        if ((FAILED(hRes = CoInitializeSecurity(NULL, -1, NULL, NULL, RPC_C_AUTHN_LEVEL_CONNECT, RPC_C_IMP_LEVEL_IMPERSONATE, NULL, EOAC_NONE, 0))))
        {
            cout << "Unable to initialize security: 0x" << std::hex << hRes << endl;
            return "";
        }
 
        if (FAILED(hRes = CoCreateInstance(CLSID_WbemLocator, NULL, CLSCTX_ALL, IID_PPV_ARGS(&pLocator))))
        {
            cout << "Unable to create a WbemLocator: " << std::hex << hRes << endl;
            return "";
        }
        reset:
        hRes = pLocator->ConnectServer(bstr_t(new char[10]{ 'r', 'o', 'o', 't', '\\', 'C', 'I', 'M', 'V', '2' }), NULL, NULL, NULL, WBEM_FLAG_CONNECT_USE_MAX_WAIT, NULL, NULL, &pService);
        if (FAILED(hRes))
        {
            goto reset;
            //pLocator->Release();
            //cout << "Unable to connect to \"CIMV2\": " << std::hex << hRes << endl;
            //return "";
        }
    }
    IEnumWbemClassObject* pEnumerator = NULL;
    reset2:
    hRes = pService->ExecQuery(bstr_t(new char[3]{ 'W', 'Q', 'L' }), bstr_t(new char[14] {'S', 'E', 'L', 'E', 'C', 'T', ' ', '*', ' ', 'F', 'R', 'O', 'M', ' '}) + bstr_t(className), WBEM_FLAG_FORWARD_ONLY, NULL, &pEnumerator);
    if (FAILED(hRes))
    {
        goto reset2;
        //pLocator->Release();
        //pService->Release();
 
        //cout << "Unable to retrive desktop monitors: " << std::hex << hRes << endl;
        //return "";
    }
 
    IWbemClassObject* clsObj = NULL;
    int numElems;
    while ((hRes = pEnumerator->Next(WBEM_INFINITE, 1, &clsObj, (ULONG*)&numElems)) != WBEM_S_FALSE)
    {
        if (FAILED(hRes))
            break;
 
        VARIANT vRet;
        VariantInit(&vRet);
 
        const size_t cSize = strlen(keyName) + 1;
        wchar_t* wc = new wchar_t[cSize];
        mbstowcs(wc, keyName, cSize);
        if (SUCCEEDED(clsObj->Get(wc, 0, &vRet, NULL, NULL)) && vRet.vt == VT_BSTR)
        {
            result = static_cast<const char *>(_bstr_t(vRet.bstrVal));
            VariantClear(&vRet);
        }
 
        clsObj->Release();
    }
 
    pEnumerator->Release();
    //pService->Release();
    //pLocator->Release();
    return result;
}