7.0.4 clean install - videos wont upload

Just starting a new site with clean install of 7.0.4

I got to upload a video, goes through the upload process, then at end of upload it show me an image of my home page within the video upload page block, only it says 'access denied' and shows me as a guest user!

Im logged in as admin through all this...

Any one had this error and know what to do?

there are many peoples have video problem....

There can many of troubles : folder permission,  ffmpeg not comfortable with your OS, some system functions was disabled.........
Go to support page and create General support ticket