Comment 29 for bug 1300722

I had this issue when I had qbittorent running for many days. top shows hud-service eating 99% cpu.
Closing qbittorrent fixed the issue.

The ~/.cache/upstart/hud.log

QDBusError("org.freedesktop.DBus.Error.InvalidArgs", "Unable to find windowId")
void DBusMenuImporter::slotGetLayoutFinished(QDBusPendingCallWatcher*): "The name :1.289 was not provided by any .service files"
QCoreApplication::postEvent: Unexpected null receiver
void DBusMenuImporter::slotGetLayoutFinished(QDBusPendingCallWatcher*): "The name :1.304 was not provided by any .service files"
QCoreApplication::postEvent: Unexpected null receiver
void DBusMenuImporter::slotGetLayoutFinished(QDBusPendingCallWatcher*): "No such object path '/MenuBar/1'"
void DBusMenuImporter::slotGetLayoutFinished(QDBusPendingCallWatcher*): "No such object path '/MenuBar/1'"
void DBusMenuImporter::slotGetLayoutFinished(QDBusPendingCallWatcher*): "No such object path '/MenuBar/1'"
void DBusMenuImporter::slotGetLayoutFinished(QDBusPendingCallWatcher*): "No such object path '/MenuBar/1'"
void DBusMenuImporter::slotGetLayoutFinished(QDBusPendingCallWatcher*): "No such object path '/MenuBar/1'"
void DBusMenuImporter::slotGetLayoutFinished(QDBusPendingCallWatcher*): "No such object path '/MenuBar/1'"
void DBusMenuImporter::slotGetLayoutFinished(QDBusPendingCallWatcher*): "No such object path '/MenuBar/1'"
void DBusMenuImporter::slotGetLayoutFinished(QDBusPendingCallWatcher*): "No such object path '/MenuBar/1'"
void DBusMenuImporter::slotGetLayoutFinished(QDBusPendingCallWatcher*): "No such object path '/MenuBar/1'"
void DBusMenuImporter::slotGetLayoutFinished(QDBusPendingCallWatcher*): "No such object path '/MenuBar/1'"
void DBusMenuImporter::slotGetLayoutFinished(QDBusPendingCallWatcher*): "No such object path '/MenuBar/1'"
void DBusMenuImporter::slotGetLayoutFinished(QDBusPendingCallWatcher*): "No such object path '/MenuBar/1'"
void DBusMenuImporter::slotGetLayoutFinished(QDBusPendingCallWatcher*): "No such object path '/MenuBar/1'"
void DBusMenuImporter::slotGetLayoutFinished(QDBusPendingCallWatcher*): "No such object path '/MenuBar/1'"
void DBusMenuImporter::slotGetLayoutFinished(QDBusPendingCallWatcher*): "No such object path '/MenuBar/1'"
void DBusMenuImporter::slotGetLayoutFinished(QDBusPendingCallWatcher*): "No such object path '/MenuBar/1'"
QCoreApplication::postEvent: Unexpected null receiver
void DBusMenuImporter::slotGetLayoutFinished(QDBusPendingCallWatcher*): "No such object path '/MenuBar/1'"
QCoreApplication::postEvent: Unexpected null receiver
void DBusMenuImporter::slotGetLayoutFinished(QDBusPendingCallWatcher*): "No such object path '/MenuBar/1'"
QCoreApplication::postEvent: Unexpected null receiver
void DBusMenuImporter::slotGetLayoutFinished(QDBusPendingCallWatcher*): "No such object path '/MenuBar/1'"
QCoreApplication::postEvent: Unexpected null receiver
void DBusMenuImporter::slotGetLayoutFinished(QDBusPendingCallWatcher*): "No such object path '/MenuBar/1'"
QCoreApplication::postEvent: Unexpected null receiver
void DBusMenuImporter::slotGetLayoutFinished(QDBusPendingCallWatcher*): "No such object path '/MenuBar/1'"
QCoreApplication::postEvent: Unexpected null receiver
void DBusMenuImporter::slotGetLayoutFinished(QDBusPendingCallWatcher*): "No such object path '/MenuBar/1'"
QCoreApplication::postEvent: Unexpected null receiver