Index: channels/specbuttons.py
==================================================================
--- channels/specbuttons.py
+++ channels/specbuttons.py
@@ -1,9 +1,9 @@
 # encoding: utf-8
 # title: Spec buttons for apps
 # description: Adds configurable mini toolbar buttons
-# version: 0.8
+# version: 0.8.1
 # depends: streamtuner2 >= 2.2.0
 # type: feature
 # category: ui
 # config:
 #    { name: specbutton_rows, value: 2, max: 4, type: int, description: "Number of rows to arrange buttons in." }
@@ -95,12 +95,15 @@
             else:
                 wi.set_from_stock("gtk-image-missing", gtk.ICON_SIZE_SMALL_TOOLBAR)
         return wi
 
     # Look for image basename (e.g. "play") in /usr/share/icons/*.* and /pixmaps/*
-    def locate(self, btn):
-        f = subprocess.Popen(["locate", "/usr/share/[pi]*s/*%s*.*" % btn], stdout=subprocess.PIPE)
+    def locate(self, btn, f=None):
+        try:
+            f = subprocess.Popen(["locate", "/usr/share/[pi]*s/*%s*.*" % btn], stdout=subprocess.PIPE)
+        except:
+            return None
         path, err = f.communicate()
         if not err:
             return path.split("\n")[0]
 
     # Update paths when saving config dialog