Invisible problem of Grasshopper Plug-in icons

Hi community,
Shown as this picture, I have many GH plug-in, for example Kangaroo,
but there are no icons…

Could you help me solve the terrible problem?

Try this:

  • open rhino
  • don’t open grasshopper
  • launch the rhino command _GrasshopperLoadOneByOne , which ask you, one by one, IF loading a particular plugin

First time try to load only the basilar/original/vanilla grasshopper ones; and see if the icons are fine.
then repeat everything and load some more plugin, etc etc and see if you manage to find a culprit.