If you get the error "The application was not installed. Your computer may be infected by viruses” when installing the Kaspersky Lab product, use the guide below:
Guide for Windows 10:
If you use one of the earlier operating system versions, click the link to view the guide on the Microsoft support website:
After you create a restore point, make sure you have a 20-digit activation code for your Kaspersky Lab application. You will need to enter it after you reinstall the application.
The code contains Latin letters and numerals divided into four groups of 5 characters.
If you bought the product offline in a box, you will see the activation code on the Quick Start Guide you find in the box.
If you bought the product online, the activation code will be in the e-mail from the online store.
If you lost the activation code, restore it. Use this guide for instructions.
If the issue persists or the error you receive is not present in the kneowledge base, submit a request with a detailed description of the issue to technical support:
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