Registry use in C++ get NULL

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C++

registry

Good afternoon members of the forum.
Faced such a problem:
When I try to print the value of the key, Install does not output anything at all

What I have tried:

TCHAR lpData[1024]={0};
DWORD buffersize = sizeof(lpData);
HKEY hKey;
//

if (RegOpenKeyEx (HKEY_CURRENT_USER, TEXT("SOFTWARE\\Microsoft\\NET Framework Setup\\NDP\\v4\\Client\\1034"),NULL,KEY_READ,&hKey)==ERROR_SUCCESS)
{

		if (RegQueryValueEx(hKey,TEXT("Install"),NULL,NULL,(LPBYTE) lpData,&buffersize)==ERROR_SUCCESS)
		{
			 std::wcout << lpData;
		}
		std::wcout << lpData;
}

RegCloseKey (hKey);

BUT IT WORK FINE OMG

if (RegOpenKeyEx (HKEY_CURRENT_USER, TEXT("Software\\Microsoft\\Internet Explorer\\Main"),NULL,KEY_READ,&hKey)==ERROR_SUCCESS)
{

		if (RegQueryValueEx(hKey,TEXT("Local Page"),NULL,NULL,(LPBYTE) lpData,&buffersize)==ERROR_SUCCESS)