Why is the Pulldown Menu not working anymore in ECO2?
In the new ECO2 software, the option to Enable or Disable the Pulldown Menu was added. 
This options is found in the Toolbox under Maintenance Menu. 
Next select the System Lock Settings. 
Now you see the System Lock options along with the Pulldown Menu settings.
Pulldown Menu Button
This allows you to Enable or Disable the small pulldown menu in the Status Area.
Make the necessary changes, then select OK to exit.
Note: System Lock does not need to be activated to Disable the Pulldown Menu Button.