Blog Page Redirecting to Home page

I am having an issue with my blog page. Blog page works fine going to page off the web. The issue is while in Admin panel, go to auto repair blog page and click preview it goes to my home page.

see video – https://drive.google.com/file/d/0B9_YIn2J4Rx0SGo5eURlVGNJS0U/edit?usp=sharing

Can any one help me with this?

Thank you in advance,

Master Tech Lee