Index: /trunk/src/VBox/Additions/WINNT/VBoxTray/VBoxDnDDropTarget.cpp
===================================================================
--- /trunk/src/VBox/Additions/WINNT/VBoxTray/VBoxDnDDropTarget.cpp	(revision 50730)
+++ /trunk/src/VBox/Additions/WINNT/VBoxTray/VBoxDnDDropTarget.cpp	(revision 50731)
@@ -464,9 +464,10 @@
                                 RTCString strRoot = lstURI.RootToString();
                                 size_t cbRoot = strRoot.length();
+                                Assert(cbRoot);
 
                                 mpvData = RTMemAllocZ(cbRoot + 1 /* Include termination */);
                                 if (mpvData)
                                 {
-                                    memcpy(mpvData, strRoot.raw(), cbRoot);
+                                    memcpy(mpvData, strRoot.c_str(), cbRoot);
                                     mcbData = cbRoot + 1;
                                 }