Flash file flickering after 10 seconds

i have a flash file with a single region. its flickering in client with white background in between loops
i changed the media duration to 1200 seconds and enabled looping . still its having same issue.
any solution please?

What CMS and player version are you using please?

I’m happy to look at the your layout if you’d like that, please send it to me via private message.

the player is 1.8.2 version
and the content is just a swf flash clock