You're looking for a helpful guide on Adobe ZII 4.0.4 update. Here's what I found:
: The tool uses a "drag and drop" or "patch or drag" interface, requiring administrator permissions to modify system-level application files. User Experience & Reliability
Adobe Zii must be specifically coded to match the build version of the Adobe application (e.g., Photoshop v25.x). If the app is updated via Creative Cloud but the patcher is not, the patching process fails. Source Integrity:
This update introduces significant new features like a Looper, Groove function, Multipad Export, and Sound Generator. Download : Get the version 4.04 system program from the Roland SP-404MKII Support Page .
If you are seeing 404 errors related to Adobe assets (even legitimate ones), here are standard fixes: Dispatcher Filters
If your query was instead about a literal "404 Error" when updating or accessing Adobe cloud assets, this is typically caused by: