カスペルスキー インターネット セキュリティ 21.2.16.590 (c)

https://support.kaspersky.co.jp/15595#block4 未更新

Patch C for version 21.2.16.590
Patch C for Kaspersky Internet Security version 21.2.16.590 was released on March 4, 2021.
In patch C we have fixed several application issues.

https://support.kaspersky.com/15595#21.2.16.590c