Index: /trunk/src/VBox/Main/src-client/ConsoleImpl.cpp
===================================================================
--- /trunk/src/VBox/Main/src-client/ConsoleImpl.cpp	(revision 46814)
+++ /trunk/src/VBox/Main/src-client/ConsoleImpl.cpp	(revision 46815)
@@ -4934,5 +4934,5 @@
                     vrc = mDisplay->VideoCaptureStart();
                     if (RT_FAILURE(vrc))
-                        rc = E_FAIL;
+                        rc = setError(E_FAIL, tr("Unable to start video capturing (%Rrc)"), vrc);
                 }
                 else
@@ -4940,5 +4940,5 @@
             }
             else
-                rc = E_FAIL;
+                rc = setError(E_FAIL, tr("Unable to set screens for capturing (%Rrc)"), vrc);
         }
         ptrVM.release();