But the technical reality is brutal: They are incompatible with modern operating systems, riddled with exploits, and will damage your current workflow.
Even today, deep in the underbelly of torrent sites and abandoned forum threads, you will find the desperate search query:
If you truly love the AutoFX aesthetic, honor the ingenuity of those early developers by respecting your own machine's security. Use modern alternatives like (for textures) or Exposure Software (for analog effects).
Do not dig up the past. The crack you are looking for is a broken promise. The "AutoFX" of yesteryear is gone. Keep your antivirus active, keep your wallet closed to scammers, and learn to paint those effects manually.