Codexcdx Was Not Found Portable __top__

To provide a high-quality response, please clarify the context of this error message. 

In the context of Fallout 4 modding:

If the error appears while using a command-line interface (CLI) or a developer tool: codexcdx was not found portable

Step 5: Re-register or Re-create the Portable Environment

Some portable launchers (like those using PortableApps.com format or ThinApp) build a virtual registry. The codexcdx error might mean the virtual sandbox is missing. To provide a high-quality response, please clarify the