Version 0.9.6 is over 15 years old. Modern forks like DeSmuME with melonDS Wi-Fi or using the melonDS emulator itself provide much better and safer online connectivity for Nintendo DS games.
A packet capture tool required for the emulator to communicate directly with your network adapter. DeSmuMe V.0.9.6 WIFI Capable WinPcap V.4.1.1.rar -EXCLUSIVE
The original Nintendo servers were shut down years ago. To actually use "Wi-Fi" features today, you must configure the emulator to connect to community-run servers like Legacy Software Risks: Version 0
had to be installed on the host Windows machine to allow the emulator to communicate with the internet. Emulator Configuration DeSmuMe V.0.9.6 WIFI Capable WinPcap V.4.1.1.rar -EXCLUSIVE