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Viruses & malware
- Signs your PC may have a virus, and what to check first The symptoms that point to malware, the ones that usually do not, and a safe first check.
- How to remove a virus with Windows Security Run a full scan and a Microsoft Defender Offline scan, deal with what they find, and confirm the PC is clean.
- Start Windows 11 or 10 in Safe Mode Three ways to reach Safe Mode, useful when malware or a bad driver stops Windows from working normally.
- Homepage or search engine changed by itself? Reset your browser Remove unwanted extensions, notification spam and forced settings from Chrome and Edge.
- Files locked by ransomware: what to do now Contain the damage, avoid paying, check for free decryptors and restore from backups.
- Fake virus alerts and browser pop-ups How to recognise a deceptive warning, close it safely and stop it coming back.
Antivirus software
- 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.
Windows & performance
Printers
Internet & Wi-Fi
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