If your software is always alerting you about something, then don’t ignore the message or turn it off. If your paid subscription or free trial has expired then the software will no longer defend you against website and email threats. Malware is constantly being written and circulated which is why you need to keep your security software current and the files it relies on to identify threats up to date.
Viruses and spyware are different forms of malware (aka malicious software) that you need protection from. We know it’s hard to know what to do so we’ve outlined some of the things for you to think about.