Error: Component returned failure code: 0x80004002 (NS_NOINTERFACE) [nsIInterfaceRequestor.getInterface]
Source file: chrome://communicator/content/nsContextMenu.js
Line: 405
 ----------
Error: gContextMenu is null
Source file: chrome://navigator/content/mailNavigatorOverlay.xul
Line: 141
 ----------
Error: gContextMenu is null
Source file: chrome://ftu/content/ftu.js
Line: 134
 ----------
Error: gContextMenu is null
Source file: chrome://editor/content/editorApplicationOverlay.js
Line: 42
 ----------
Error: gContextMenu is null
Source file: chrome://navigator/content/navigator.xul
Line: 1