diff --git a/src/gen/plug/utils.py b/src/gen/plug/utils.py
index 0bb034461..e8fccc296 100644
--- a/src/gen/plug/utils.py
+++ b/src/gen/plug/utils.py
@@ -211,7 +211,12 @@ def load_addon_file(path, callback=None):
             if callback:
                 callback(_("Unable to open '%s'") % path)
             return
-    buffer = cStringIO.StringIO(fp.read())
+    try:
+        buffer = cStringIO.StringIO(fp.read())
+    except:
+        if callback:
+            callback(_("Error in reading '%s'") % path)
+        return
     fp.close()
     # file_obj is either Zipfile or TarFile
     if path.endswith(".zip") or path.endswith(".ZIP"):