Anti-virus software
This topic applies to KCT 3.12.7 and earlier. If you are on KCT NG 2026.2 or later, see NG topic.
Some anti-virus tools can provide barriers to accessing the network, either incoming or outgoing.
If you experience CatTools failing to connect to any devices or unable to connect to the mail server to send alerts, check that you do not have an anti-virus program blocking the CatTools software.
Some anti-virus programs are set up to include program and port blocking. This can prevent CatTools from connecting to an email server for sending reports.