Some of the cumulative & feature updates not giving download url (windows 10).

int main()
{
IUpdateSession *updateSession = NULL;
IUpdateSearcher *updateSearcher = NULL;
ISearchResult *searchResult = NULL;
IUpdateCollection *updates = NULL;
IUpdateDownloadContentCollection *pDownUrl = NULL;
IUpdateDownloadContent *downloadContent = NULL;
HRESULT res;
int ret = 1;
LONG count;
res = CoInitializeEx(NULL, 0);
if (FAILED(res)) {
HandleError(L"Failed to initialize COM", res);
return 1;
}

res = CoCreateInstance(CLSID_UpdateSession, NULL, CLSCTX_INPROC_SERVER, IID_IUpdateSession, (LPVOID *)&updateSession);
if (FAILED(res)) {
HandleError(L"Failed to create update session", res);
goto cleanup;
}

res = updateSession->CreateUpdateSearcher(&updateSearcher);
if (FAILED(res)) {
HandleError(L"Failed to create update searcher", res);
goto cleanup;
}

res = updateSearcher->put_IncludePotentiallySupersededUpdates(VARIANT_TRUE);
if (FAILED(res)) {
HandleError(L"Failed to set search options", res);
goto cleanup;
}

BSTR criteria = SysAllocString(L"IsInstalled=1 or IsHidden=1");
res = updateSearcher->Search(criteria, &searchResult);
SysFreeString(criteria);
if (FAILED(res)) {
HandleError(L"Failed to search for updates", res);
goto cleanup;
}

res = searchResult->get_Updates(&updates);
if (FAILED(res)) {
HandleError(L"Failed to retrieve update list from search result", res);
goto cleanup;
}

LONG updateCount;
res = updates->get_Count(&updateCount);
if (FAILED(res)) {
HandleError(L"Failed to get update count", res);
goto cleanup;
}

for (LONG i = 0L; i < updateCount; ++i)
{
IUpdate *update = NULL;
IStringCollection *updateKBIDs = NULL;
bool innerError = true;
res = updates->get_Item(i, &update);
if (FAILED(res)) {
HandleError(L"Failed to get update item", res);
goto innerCleanup;
}

res = update->get_KBArticleIDs(&updateKBIDs);
if (FAILED(res)) {
HandleError(L"Failed to get KB article ID list", res);
goto innerCleanup;
}
res = update->get_DownloadContents(&pDownUrl);
if(SUCCEEDED(res))
{
BSTR url;
res = pDownUrl->get_Count(&count);
res = pDownUrl->get_Item(1, &downloadContent);
if(FAILED(res))
{
HandleError(L"Failed to get url article ID count", res);
//goto innerCleanup;
}
else
{
res = downloadContent->get_DownloadUrl(&url);
if(FAILED(res))
{
//goto innerCleanup;
}
else
{
std::wcout << L"URL" << url << L':' << std::endl;
SysFreeString(url);
}
}
}
LONG kbIDCount;
res = updateKBIDs->get_Count(&kbIDCount);
if (FAILED(res)) {
HandleError(L"Failed to get KB article ID count", res);
goto innerCleanup;
}

for (LONG j = 0L; j < kbIDCount; ++j) {
BSTR kbID;
res = updateKBIDs->get_Item(j, &kbID);
if (FAILED(res)) {
HandleError(L"Failed to get KB article ID", res);
goto innerCleanup;
}
std::wcout << L"KB" << kbID << L':' << std::endl;
SysFreeString(kbID);
}

BSTR updateTitle;
res = update->get_Title(&updateTitle);
if (FAILED(res)) {
HandleError(L"Failed to get update title", res);
goto innerCleanup;
}
std::wcout << L" " << updateTitle << std::endl << std::endl;
SysFreeString(updateTitle);

innerError = false;
innerCleanup:
updateKBI

Hi richard,
I think there is a word limit is there, there fore not able to see complete code,
let me check some other method.

I got this code from following link
https://gist.github.com/apsun/b471c2e11dab94ad690d

where i added this code

res = update->get_DownloadContents(&pDownUrl);
if(SUCCEEDED(res))
{
BSTR url;
res = pDownUrl->get_Count(&count);
res = pDownUrl->get_Item(1, &downloadContent);
if(FAILED(res))
{
HandleError(L"Failed to get url article ID count", res);
//goto innerCleanup;
}
else
{
res = downloadContent->get_DownloadUrl(&url);
if(FAILED(res))
{
//goto innerCleanup;
}
else
{
std::wcout << L"URL" << url << L':' << std::endl;
SysFreeString(url);
}
}

In above section i am not getting download url.