Antivirus software
Self-help steps for common problems with popular security software, written independently. We are not Norton, McAfee or Microsoft, and none of these guides is official support. Each one links to the vendor’s own support website for account and billing questions.
8 guides
- Norton not opening or updating? Steps to try Restart, run LiveUpdate, check the subscription and repair or reinstall Norton safely.
- McAfee not updating or showing "not protected"? Steps to try Check for updates, turn real-time scanning back on, confirm the subscription and reinstall cleanly.
- How to uninstall Norton or McAfee completely Remove them through Windows Settings, then use each vendor’s official removal tool if anything is left behind.
- Windows Security turned off? Turn Microsoft Defender back on Get real-time protection running again after removing or switching antivirus software.
- Fake Norton or McAfee renewal emails: how to spot them Invoices for renewals you never ordered are a common scam. Check your real account without using the email.
- Norton 360: features and plans explained What Norton’s plan tiers include, what to check about renewal pricing, and how it compares with Defender.
- McAfee antivirus: features and plans explained McAfee features, plan tiers, renewal pricing and how it compares with Microsoft Defender.
- Lesser-known antivirus tools compared Guardio, Emsisoft, G DATA and Heimdal: what each one does, what it does not, and who it suits.