Directory Size Monitor Alert not working???

I am trying to monitor a directory that does not change in size for a specific time period.

I am having trouble getting the alert going, i have a feeling, the statistic is not getting picked up by the alerts.

First as a test, I set up a directory size monitor on the folder for a change.

Trigger alert when ALL the following apply:

     Nade name is equal to "MY NODE"

     Component name is equal to Directory Size Monitor

          Trigger when ALL the following apply

               Statistic has Changed.

For testing, my triggert must exist for 2 minutes.

My theory to catch the no change in the folder is to change the 2nd  condition group to read:

            Trigger when NONE of the following apply

               Statistic has Changed

I can not get the change to pick up, so i have not tested the NO change yet.

Any ideas why this is not functioning?