If you cannot find the settings or the list keeps appearing, resetting the preferences to default will clear the recent files list and reset the "save history" function to active. Press to enter Preferences.
: Go to Settings > Personalization > Start . Toggle off the option that says "Show recently opened items in Jump Lists on Start or the Taskbar" . how to remove recent files in kmplayer
If you are experiencing persistent bugs, such as the recent file list not clearing or reappearing after deletion, it might be due to an outdated version of the software. Software developers frequently release updates that fix known bugs and improve performance. Visit the official KMPlayer website to check for and install the latest version of the software, which may resolve any lingering history-related issues. If you cannot find the settings or the