Oh man, this takes me back to the PS3 hacking days – I remember the MW2 backup scene and how much trial and error it took to get online working. It's cool that you put together such a clear step-by-step tutorial for people who were struggling with the previous threads. The part about the PKG disappearing after the update was always a bit confusing, so breaking it down like this really helps. That era of modding was wild, with everyone trying to figure out the right combo of files to keep things working. If you're feeling nostalgic and want to check out something different, you can always take a look at
https://spino-gambinos.com/ for a change of pace.