Index: /trunk/src/VBox/Additions/WINNT/VBoxTray/VBoxClipboard.cpp
===================================================================
--- /trunk/src/VBox/Additions/WINNT/VBoxTray/VBoxClipboard.cpp	(revision 82688)
+++ /trunk/src/VBox/Additions/WINNT/VBoxTray/VBoxClipboard.cpp	(revision 82689)
@@ -579,4 +579,6 @@
                         {
                             SHCLDATABLOCK dataBlock;
+                            RT_ZERO(dataBlock);
+
                             dataBlock.uFormat = fFormat;
                             dataBlock.pvData  = lp;
@@ -602,4 +604,6 @@
                         {
                             SHCLDATABLOCK dataBlock;
+                            RT_ZERO(dataBlock);
+
                             dataBlock.uFormat = fFormat;
                             dataBlock.pvData  = uniString;
@@ -629,4 +633,6 @@
                             {
                                 SHCLDATABLOCK dataBlock;
+                                RT_ZERO(dataBlock);
+
                                 dataBlock.uFormat = fFormat;
                                 dataBlock.pvData  = lp;