Cleanup and hardening
- Malware cleanup (adware, hijackers, trojans, miners, scareware)
- Virus removal with offline scan and rootkit check
- Security check: Defender/AV state, updates, real-time protection
- Windows security configuration (SmartScreen, firewall, UAC, accounts)
- Browser cleanup, extension audit and profile repair
- Credential hygiene: password manager setup, 2FA, recovery contacts