Index: /trunk/src/VBox/Additions/WINNT/Installer/Loader/VBoxWindowsAdditions.cpp
===================================================================
--- /trunk/src/VBox/Additions/WINNT/Installer/Loader/VBoxWindowsAdditions.cpp	(revision 40362)
+++ /trunk/src/VBox/Additions/WINNT/Installer/Loader/VBoxWindowsAdditions.cpp	(revision 40363)
@@ -214,5 +214,8 @@
         }
         else
+        {
             *pwsz = L'\0';
+            pwszOrgCmdLine = NULL;
+        }
     }
 
@@ -257,5 +260,5 @@
         ShExecInfo.lpVerb       = L"runas" ;
         ShExecInfo.lpFile       = wszModule;
-        ShExecInfo.lpParameters = pwszNewCmdLine;
+        ShExecInfo.lpParameters = pwszOrgCmdLine; /* pass only args here!!! */
         ShExecInfo.lpDirectory  = wszCurDir;
         ShExecInfo.nShow        = SW_NORMAL;