I have know why videos aren’t working: I’m trying to play my videos on client directly , it’s working normally , because I have set the K-lite codec as a default player , when I’m trying to play it by windows media player , it’s display the black screen.
I have convert that video from MP4 to WMV then upload it to libary and assigned it o layout to publish required Ads and it’s working normally,
but , I need your support to find where the problem when publish another format , Although the default media player on all clients is K-lite codec pack.
Best Regards,
Hazem Mohamed