Category Hub
Security Guides
Security guides for antivirus testing, malware detection, and system protection workflows.
malware removal
How to Remove Malware from Windows 10 and 11
Remove malware from Windows 10 or 11 step by step: disconnect, run Microsoft Defender full and offline scans, use a second-opinion scanner, clean up startup items, and secure your accounts.
malware removal
How to Remove a Browser Hijacker in Chrome, Edge, and Firefox
Search engine switched to Yahoo or an unknown site? Remove a browser hijacker from Chrome, Edge, or Firefox by removing extensions, resetting settings, clearing policies, and fixing shortcuts.
windows security
How to Fix Windows Security Not Opening in Windows 11 and 10
Windows Security won't open, shows a blank screen, or says Defender is off? Fix it by checking for other antivirus, resetting the app, repairing services and system files, and removing policies.
account security
How to Check if Your Password Was Leaked
Check if your email or passwords appeared in a data breach using Have I Been Pwned, Google Password Checkup, Apple Passwords and Edge, then secure any account that was exposed.
account security
How to Recover and Secure a Hacked Email Account
Get back into a hacked Gmail or Outlook account, lock out the attacker, remove hidden forwarding rules and connected apps, and protect the other accounts linked to your email.
security
How to Check Whether Antivirus Software Detects Viruses Correctly
A legacy security guide for validating antivirus detection behavior.