Index: /trunk/src/VBox/ValidationKit/tests/additions/tdAddGuestCtrl.py
===================================================================
--- /trunk/src/VBox/ValidationKit/tests/additions/tdAddGuestCtrl.py	(revision 71533)
+++ /trunk/src/VBox/ValidationKit/tests/additions/tdAddGuestCtrl.py	(revision 71534)
@@ -3113,10 +3113,8 @@
         if oTestVm.isWindows():
             sUser = "Administrator";
+            sScratch = "C:\\Temp\\vboxtest\\testGuestCtrlCopyTo\\";
         else:
             sUser = "vbox";
         sPassword = "password";
-
-        if oTestVm.isWindows():
-            sScratch = "C:\\Temp\\vboxtest\\testGuestCtrlCopyTo\\";
 
         if oTxsSession.syncMkDir('${SCRATCH}/testGuestCtrlCopyTo') is False:
@@ -3196,14 +3194,15 @@
 
             if self.oTstDrv.fpApiVer > 5.2: # Copying directories via Main is supported only in versions > 5.2.
-                aaTests.extend([
-                    # Copying directories with contain files we don't have read access to.
-                    [ tdTestCopyTo(sUser = sUser, sPassword = sPassword, sSrc = 'C:\\Windows\\security',
-                                    sDst = sScratch),
-                        tdTestResult(fRc = False) ],
-                    # Copying directories with regular files.
-                    [ tdTestCopyTo(sUser = sUser, sPassword = sPassword, sSrc = 'C:\\Windows\\Help',
-                                    sDst = sScratch),
-                        tdTestResult(fRc = True) ]
-                    ]);
+                if self.oTstDrv.sHost == "win":
+                    aaTests.extend([
+                        # Copying directories with contain files we don't have read access to.
+                        [ tdTestCopyTo(sUser = sUser, sPassword = sPassword, sSrc = 'C:\\Windows\\security',
+                                       sDst = sScratch),
+                            tdTestResult(fRc = False) ],
+                        # Copying directories with regular files.
+                        [ tdTestCopyTo(sUser = sUser, sPassword = sPassword, sSrc = 'C:\\Windows\\Help',
+                                       sDst = sScratch),
+                            tdTestResult(fRc = True) ]
+                        ]);
         else:
             reporter.log('No OS-specific tests for non-Windows yet!');