How to remove viruses from your computer before installing a Kaspersky Lab product
We use cookies to make your experience of our websites better. By using and further navigating this website you accept this. Detailed information about the use of cookies on this website is available by clicking on more information.
Accept and close



General articles: Before installation


How to remove viruses from your computer before installing a Kaspersky Lab product

Back to "Before installation"
Latest update: 2019 May 24 ID: 12781

This article concerns:

  • Kaspersky Internet Security
  • Kaspersky Anti-Virus
  • Kaspersky Total Security
  • Kaspersky Security Cloud
  • Kaspersky Small Office Security

When you are installing a Kaspersky Lab product, the following errors might occur:

This means that your computer has most likely been infected with malware that is blocking the installation. Should this be the case, we recommend that you do the following:

Use the Kaspersky Virus Removal Tool


Use Kaspersky Rescue Disk


What to do if the application still fails to install


What to do if you can't update your Kaspersky Lab application to the latest version


What to do after installing the application

Was this information helpful?
Yes No
Thank you


Feedback on Technical Support Site

Please let us know what you think about the site design, improvements we could add and any errors we need to eliminate

Send My Website Feedback Send My Website Feedback

Thank you!

Thank you for submitting your feedback.
We will review your feedback shortly.


How can we improve this article?

We will not be able to contact you if you leave your email address or phone number. To contact technical support, please sign in to your Personal Account.

Submit Submit

Thank you for your feedback!

Your suggestions will help improve this article.