Before upgrading Kaspersky Endpoint Security for Windows to 11.5 version, please read the following information: https://support.kaspersky.com/KESWin/11.5.0/en-US/Release_notes_kes.htm If you are using Kaspersky Updater Utility to update databases and application modules, enable Kaspersky Endpoint Security for Windows 11.5.0 in the utility settings.