--- a/Helpviewer/Network/FileReply.py	Thu Mar 21 19:26:10 2019 +0100
+++ b/Helpviewer/Network/FileReply.py	Thu Mar 21 19:27:42 2019 +0100
@@ -158,6 +158,8 @@
             buffer = bytes(self.__content[:len_])
             self.__content.remove(0, len_)
             return buffer
+        else:
+            return b""
     
     def __cssLinkClass(self, icon, size=32):
         """