Index: /trunk/src/VBox/Main/src-client/RecordingStream.cpp
===================================================================
--- /trunk/src/VBox/Main/src-client/RecordingStream.cpp	(revision 75491)
+++ /trunk/src/VBox/Main/src-client/RecordingStream.cpp	(revision 75492)
@@ -430,4 +430,7 @@
         }
 
+        Assert(pBlocks->List.empty());
+        delete pBlocks;
+
         Blocks.Map.erase(itStreamBlocks);
         itStreamBlocks = Blocks.Map.begin();