Use either the Autodesk Uninstall Tool or the Control Panel.
The Autodesk Uninstall Tool provides a convenient way to uninstall one or more products at the same time. For more information, see To Uninstall an Autodesk Product.
To uninstall Mudbox from the Control Panel in Windows 7, Service Pack 1:
To uninstall Mudbox from the Control Panel in Windows 8:
All Apps
Control Panel
Programs.