problem in explorer

When i want to go https:// from http:// then there are come up pop up like
“This page contaings both secure and nonsecure items.
do you want to display the nonsecure items?”

How i can remove this problem help me.
But same thing is not happen in this site like http://www.index.php page to https://www.support.php

please do fast

sujit: Worry not - this is related to the site you are visiting, not your explorer settings.

See here for more information: https://support.comodo.com/index.php?_m=knowledgebase&_a=viewarticle&kbarticleid=400