remove recently used popup when opening the progra

Hi, When opening the program, user get annoyed with the recent used format popup.
This may be removed and users may slect from the all available formats.
The screen annoys the user with a default popup shows even before using the conversion
One more thing, In subtitles , only subtitle enabled and browse to srt files are given. More format like recent formats of subtitles may be added as drop down menu.
If the place of subtitles and only font size are added, it will be seen as improvement.
The subtitle placement , of xy coordinates may also be given .