Kaspersky Internet Security regularly checks if there are any incompatible applications on your computer. When such an application is found, Kaspersky Internet Security adds it to the list of incompatible applications. You can look through the list and decide what to do with the incompatible applications.
It is recommended that you delete incompatible applications from your computer. Otherwise, Kaspersky Internet Security will not be able to fully protect your computer.
The following are some of the reasons why a third-party application might not be compatible with Kaspersky Internet Security: