1. Open Unreal Editor.
2. Delete every CC Character along with its CC_Auto_Setup_Material_Instances folder that was created by CC & iClone Auto-setup.
3. Delete the current Project > Content > CC_shader folder.
4. Close Unreal Editor.
5. Delete the current Project > Plugins folder > Auto Setup #.##.
* Updates to or removal of Auto Setup will reset the materials on all Character Creator / iClone characters & iClone Props. Please reconfigure your material settings after making changes to Auto Setup.