Index: /trunk/src/VBox/ValidationKit/testdriver/vbox.py
===================================================================
--- /trunk/src/VBox/ValidationKit/testdriver/vbox.py	(revision 84580)
+++ /trunk/src/VBox/ValidationKit/testdriver/vbox.py	(revision 84581)
@@ -2631,7 +2631,7 @@
         if oTestVm.isWindows():
             if oTestVm.sKind in ['WindowsNT4', 'WindowsNT3x',]:
-                sWinDir = 'C:/WinNT/';
+                sWinDir = 'C:\\WinNT\\';
             else:
-                sWinDir = 'C:/Windows/';
+                sWinDir = 'C:\\Windows\\';
         assert sWinDir != '', 'Retrieving Windows directory for non-Windows OS';
         return sWinDir;