I've created a notification icon that's much more visible than the existing black and white one. This icon has exactly the same size in bytes as the existing one, so I was hoping I could replace it with ResourceHacker or something and keep the digital signature, but I don't know anything about digital signatures or how I would go about doing it.
I've managed to successfully create a new explorer.exe with the new icon using resource hacker, but I don't know what to do with it.
Not that it matters, but here's my new icon, I just changed RGB settings so as to keep exactly the same size: