Index: /trunk/src/VBox/ValidationKit/testdriver/vboxinstaller.py
===================================================================
--- /trunk/src/VBox/ValidationKit/testdriver/vboxinstaller.py	(revision 66375)
+++ /trunk/src/VBox/ValidationKit/testdriver/vboxinstaller.py	(revision 66376)
@@ -839,5 +839,5 @@
         if self._isProcessPresent('msiexec'):
             cTimes = 0;
-            while cTimes < 6:
+            while cTimes < 3:
                 reporter.log('found running msiexec process, waiting a bit...');
                 time.sleep(20)  # In the hope that it goes away.
@@ -845,4 +845,5 @@
                     break;
                 cTimes += 1;
+            ## @todo this could also be the msiexec system service, try to detect this case!
             if cTimes >= 6:
                 cKilled = self._killProcessesByName('msiexec', 'MSI driver installation');