Open your file in XviD4PSP.
In system tray icons you will see ffdshow video decoder icon.
Right click on icon.
"Subtitles", "Subtitles sources" and "ffdshow Video Decoder - Subtitles" must help in all complicated cases. You will even can change font color, font and size.
After each change of ffdshow setting you must update video preview - XviD4PSP - Video - Update preview.
Also remove auto loaded with XviD4PSP external subs with - XviD4PSP - Subtitles - Remove.
With this solution you can use all ffdshow editing functions in XviD4PSP.
