| 1. | You may install additional codecs pack like K-Lite FULL or FFDSHOW to support your video conversion. | 
          
            | 2. | Latest version of Quicktime Player 7 has been installed on 
              your pc. You can visit http://www.quicktime.com | 
          
            | 3. | You may need QuickTime Player 7 when converting  from video MOV/QT 
              7/MP4/3GP/M4V/3G2 or converting to Flash video. | 
          
            | 4. | The required video and audio codecs has been installed on your 
              pc. You can check the missing codec by installing Media Info, http://mediainfo.sourceforge.net/en and search for the codecs at http://www.free-codecs.com | 
          
            | 5. | There are many type of AVI ranging from divx, xvid, cinepak 
              and etc. When converting such AVI, you may need to install 
              the appropriate codecs. | 
          
            | 6. | The video file is not corrupted | 
          
            | 7. | The video file is not in protected mode | 
          
            | 8. | There is no other software currently playing / using 
              the video file | 
          
            | 9. | The Real Player has been installed on your pc | 
          
            | 10. | You will need a MPEG2 decoder when decoding MPEG 2 file | 
          
            | 11. | Uninstall other third party codecs. Some third party codecs 
              are unstable and may cause conflict. | 
          
            | 12. | Check with the video source vendor |