mod_news_show_pro5 cache issue

hello i purchase news1 template so that i can post on site.. but i can not write on themodule section so i write this here... i use a template with news show pro5 module... all my frontend is based on that module... i have use the module again and again on many sites... but this time i have a very strange issue with the cache (joomla cache? module cache? i dont know) every time it refresh the cache all modules on my front end is empty like the printscreen... if i clear the cache manually it fixes otherwise it fixes it self after 15 min...
a very weared issue that i cant resolve... so i m asking for your help...
frontend is here:
http://www.emprosnet.gr
when issue is like this:
http://prntscr.com/fp1fzj

anyone???

Hi

Please explain what can I do to see it broken as on Your screenchot. Without it I cannot tell what can be happening.