This problem can be solved by downloading an English translation. The truth is that the program offers a a lot of benefits. There are many options for configuring video, audio and subtitles.
In addition, the program is capable of playing incomplete files and preparing endless reproduction lines in which you may load an entire series.
PotPlayer is an alternative different to the classic video player. Maybe not the best, but if you manage to understand the Korean (for which there is a patch), you may enjoy it.