1. Delete CC_and_IC_Auto_Setup_for_LWRP.dll, CC_and_IC_Auto_Setup_for_3D.dll or CC_and_IC_Auto_Setup_for_HDRP.dll in the Editor folder. For example, C:\Users\[User_Name]\Documents\New Unity Projects\[Project_Name]\Plugins\Auto Setup 1.0.
2. Delete the CC_Resource folder. For example, C:\Users\[User_Name]\Documents\New Unity Projects\Assets\CC_Resource.
*Removal of Auto Setup will delete all textures on all Character Creator / iClone characters. Please reconfigure your material settings after updating Auto Setup.