Virus-infected computer: what to do?
Virus-infected computer: the right reflexes in a few simple steps so you can react without panicking.
Quick answer
4 steps — read this before anything else
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1
Disconnect the computer from the internet and shared networks.
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2
Boot in safe mode and run a full antivirus scan.
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3
Never pay a ransom if a ransomware message appears.
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4
Reinstall the system if the infection persists, then change all your passwords.
Warning
Ransomware can encrypt your data. Regular backups to an external drive or the cloud are your best protection.
When facing a virus-infected computer: what to do?, the first minutes matter. This guide gives you a clear, step-by-step answer so you can act safely, without panicking and without wasting time.
Why act quickly?
In most situations, quick and orderly action limits the damage, protects your safety and makes the paperwork that follows easier. The steps below follow the logic of official emergency guidance: protect, alert, secure, declare.
Mistakes to avoid
- Acting without first cutting off the source of danger (electricity, water, gas).
- Neglecting to file a claim with your insurer or administration within the deadlines.
- Following unchecked advice from the internet instead of official guidance.
How to prevent this in the future?
Prevention is the best protection. Regularly check your setup, keep important documents in a safe place, and note the emergency numbers and those of your insurers and providers.
Frequently asked questions
What should I do first?
Make sure people are safe, then remove the immediate source of danger. Only then, start the paperwork.
Should I inform my insurer?
Yes, for property damage, within 5 business days, with photos to support your claim.
Spotted an error? Report it — we correct factual mistakes promptly.
Frequently asked questions
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