The Mudbox Help is provided in an HTML format and is linked from Mudbox to an Autodesk Web server by default. You must have Internet access to view the Help.
This approach provides you with the most up-to-date version of the Help content while allowing Autodesk to make updates between software releases.
If you do not have reliable Internet access you can download the Mudbox Help from the Autodesk Web site and install it locally on your computer as follows.
The Help Path field becomes available for editing. When the Get Help From option is set to Local Machine/Network, this path is set by default to:
If you unzipped the Help folder in another location, enter that file path or move the files within the unzipped folder to the above specified locations.
The next time you select Help > Mudbox Help it will find the help content at the new path you specified.