KIS 2014 frequently broke internet connectivity:
Kaspersky Internet Security 2014 is a popular antivirus software designed to protect users' computers from various online threats. However, like any other software, it may encounter issues that affect its performance and user experience. This report summarizes common problems reported by users and provides useful information for troubleshooting and potential solutions. problems with kaspersky internet security 2014
User quote: "Installing KIS 2014 felt like downgrading from an SSD back to a 5400rpm drive." like any other software
To be fair, when it worked:
By modern standards, Kaspersky Internet Security 2014 is resource-heavy. when it worked: By modern standards