Hit the menu bars, then go to the Adrenaline tab?
Thx! Adrenaline Node Count: 0

Here is an alternative, if you have problems again.
A few hours ago i have started my Masternode history chart script. It counts the Masternodes every 15 minutes. There you can see the number of active Masternodes.
Take a look:
https://goo.gl/hZuckAIt is currently "quick & dirty" scripting. If I have time I will make it better.