Comment 3 for bug 1568935

Fixed in upstream commit:

commit 8d15294552b1b47888f16222db2cf1c17482faee
Author: Richard Hughes <email address hidden>
Date: Mon Sep 12 16:50:58 2016 +0100

    Only show the external installed notification on success

diff --git a/src/gs-page.c b/src/gs-page.c
index 852b7e3..8cce6e5 100644
--- a/src/gs-page.c
+++ b/src/gs-page.c
@@ -172,7 +172,7 @@ gs_page_app_installed_cb (GObject *source,
        }

        /* only show this if the window is not active */
- if (gs_app_get_state (helper->app) != AS_APP_STATE_QUEUED_FOR_INSTALL &&
+ if (gs_app_is_installed (helper->app) &&
            !gs_shell_is_active (priv->shell))
                gs_app_notify_installed (helper->app);