We always advise against using codec-packs.
Did you try without K-lite?
Did you allow BS.Player to internally install codecs/filters?
Note changelog 2.52.1024beta:
Code:
Version 2.52.1024
- fixed bug with adding external audio files with MKV files
- fixed text display in full screen skin with UTF8 language files
- fixed proxy configuration in codec manager
- fixed 'stealing focus' bug if 'Auto hide main window' option was set
- fixed problem with local codec system, dll was loaded from system installed folder, instead local (ffdshow, libavcodec)
- ..... etc....