A new display error

yesterday i installed some plug-in for a Grasshopper course, after that, i dont know if i did some mistake, but when i make a new module, object in Grasshopper it makes all the screen red and says that:
Grasshopper display error:
“An exception was thrown inside the drawing pipeline:
Source: System.Drawing
Type:the method or operation is not implemented.
The display of objects will be disabled to prevent this from happening again.Please save the file under a different name and close Rhino”