Converting files to Itunes Optimum Quality seeing black screen no sound or video

Hi, this is probably a repeat question, but here it goes. I have been copying some files from Your tube and then converting them for me to play on my Ipad 3 and mini. I selected Itune Optimum Quality, I tried IPAD settings and I get the file to convert and transfer into Itunes in the movie section. Itunes does not recognize it but it shows there if I open it all I see is the time bar moving and a black screen no sound or video. What am I doing wrong.

Thank you for the help.

Its You Tube sorry

Hi Rodriquez,

Please use the technical support section of the website to submit your tech support ticket and include your record log file:

http://applian.com/support.php