It is a reserved value and doesn't have a corresponding
valid scancode.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
---
 ui/gtk.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/ui/gtk.c b/ui/gtk.c
index 89cc81b708..687560b963 100644
--- a/ui/gtk.c
+++ b/ui/gtk.c
@@ -1206,6 +1206,12 @@ static gboolean gd_key_event(GtkWidget *widget, GdkEventKey *key, void *opaque)
         return TRUE;
     }
 
+#ifdef WIN32
+    /* on windows, we ought to ignore the reserved key event? */
+    if (key->hardware_keycode == 0xff)
+        return false;
+#endif
+
     if (key->keyval == GDK_KEY_Pause) {
 #ifdef G_OS_WIN32
         /* for some reason GDK does not fill keyval for VK_PAUSE
-- 
2.14.3