Some palettes are missing. What happened, and how can I restore them?

This information applies to version(s): 1, 2, 3, 4, 5, 6

You may have accidentally changed the workspace. In the "customize" tab, you will find a "workspace" menu entry on the top navigation bar. Select "DxO Standard", "DxO Advanced" or one of your custom workspaces to display it again with the corresponding palettes.