Please see image. No response, 2 weeks waiting. Authors very busy. Pick and answer easy ones first. This one must be in, " I don't know" category.
http://screencast.com/t/RvyiMncm (image link)
Maybe a picture will help you identify why your plugin on it's won on 3.6 is causing this issue, every 3600 seconds, Hint right? What setting please?
(more clues)
Advanced Tab Settings: http://screencast.com/t/d0Gk5kRIo