2.11. Eraser and brushes no longer work

You have selected the clipboard brush and the clipboard is empty.

Figure 4.7. Empty Clipboard Brush

How to tell: You are trying to use a brush or the eraser and nothing is happening.

How to fix: Check the Brush Dialog to see which brush is currently in use. If it is the Clipboard Brush and it shows an empty rectangle then select a different brush to use.