Your English is clear enough. Hi. First thing you should is to try to reinstall the driver. Delete it from your PC and clean the registry After this try to download and install the latest version and if it will not work correctly, try to download and install older versions of Realtek audio driver here
https://rocketfiles.com/windows/drivers/realtek-high-definition-audio-driver. If it does not help maybe you have some troubles with your OS or maybe something changes after the latest update. First thing you should is to try to reinstall the driver.