CreateToolhelp32Snapshot - Access denied

	HANDLE hSnapshot = CreateToolhelp32Snapshot(TH32CS_SNAPMODULE | TH32CS_SNAPMODULE32, pid);
	if (hSnapshot == INVALID_HANDLE_VALUE)
	{
		cout << GetLastError();
	}
	else
	{
		MODULEENTRY32 ModuleEntry32;

		ModuleEntry32.dwSize = sizeof(MODULEENTRY32);

		do
		{
			_tprintf(TEXT("\n\n     MODULE NAME:     %s"), ModuleEntry32.szModule);
			_tprintf(TEXT("\n     executable     = %s"), ModuleEntry32.szExePath);
			_tprintf(TEXT("\n     process ID     = 0x%08X"), ModuleEntry32.th32ProcessID);
			_tprintf(TEXT("\n     ref count (g)  =     0x%04X"), ModuleEntry32.GlblcntUsage);
			_tprintf(TEXT("\n     ref count (p)  =     0x%04X"), ModuleEntry32.ProccntUsage);
			_tprintf(TEXT("\n     base address   = 0x%08X"), (DWORD)ModuleEntry32.modBaseAddr);
			_tprintf(TEXT("\n     base size      = %d"), ModuleEntry32.modBaseSize);

		} while (Module32Next(hSnapshot, &ModuleEntry32));

		CloseHandle(hSnapshot);
	}

ERROR_ACCESS_DENIED

5 (0x5)

Access is denied.