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How to remove a virus from Windows & preventing infection

Danila T.

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Free Virus Scanner & Malware Removal Tool.


Are you worried that there might be a virus on your computer? If your computer is infected, it is important to know how to get rid of a computer virus.

Read how to remove Ransomware, decrypt files, encryption protection -->


How to remove virus? Run a virus scan first


Before cleaning your Windows PC of viruses, you have to scan it first.

Here is how to do this:

  1. If you have non-Kaspersky security software installed, run a virus scan on your PC using Free Kaspersky Virus Removal Tool. See instructions.
  2. If you have Kaspersky security software installed:
  • Check that the “Detection of software that can be used by criminals” in our product settings is enabled.
  • Update product's databases.
  • Run a Full Scan. Once the scan is complete, remove any threats or malware found. If you are prompted to perform a treatment with a restart, select this option.

Want professional virus removal from a Kaspersky expert?  Please see our Premium Support options that include virus removal, remote support services, and more here:



Note: This service is not for sale or activation outside of the above regions.


How to preventing infection?


Here are some basic ways how you can protect your computer from viruses:

  • Use an antivirus software for malware protection. For example, Kaspersky Premium (free trial available).
  • Download applications and software only from trusted websites.
  • Never click on any untrusted links in spam messages, emails, or unfamiliar websites.
  • Don't open attachments in spam emails.
  • Keep your anti-virus up to date and keep your installed applications and operating system up to date.
  • When using public Wi-Fi networks, use a secure VPN connection such as  Kaspersky VPN Secure Connection (free version available).
  • Never connect unknown USB sticks to your computer or insert unknown drives.


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