login to admin area = > Video Processing => Process Queue => Check the Convert Status

If its Convert Error, change the conversion command in include/settings/video_conversion.php


Login to admin area = > Site Settings > Miscellaneous > Create Thumbnail with

You have 3 options, select a different option and select the video = > click create thumbnail.




check the following topic for more details

http://forums.buyscripts.in/bug-repo...1-kb-size.html

http://forums.buyscripts.in/installa...g-instead.html

http://forums.buyscripts.in/frequent...-mencoder.html