Updates functionality (including providing anti-virus signature updates and codebase updates), as well as KSN functionality may not be available in the application in the U.S.
Here you can learn about the app's current known issues, limitations, and warnings.
Regional availability restrictions for Kaspersky applications
The following applications may not be available for download from the App Store in Poland and Ukraine:
For more details on the availability of these applications in different regions, see the linked articles.