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If the one of the solutions above helped, after successful installation of a Kaspersky application run a full virus scan. See the guide below.
If the issue persists, contact Kaspersky technical support. See the guide below.
Find the antivirus application and uninstall it from your computer.
To uninstall the application from Windows PC:
To uninstall the application from Mac:
Try to install a Kaspersky application once again.
If you have problems removing the application or the issue persists after successful uninstallation, use the guide for removing third-party antivirus software.
When switching to the new version of a Kaspersky application, you may get the error "The application was not installed. Your computer may be infected by viruses."
Should this error occur, remove the Kaspersky application using the kavremover tool and reinstall it on your computer. See this article for instructions.
Kaspersky applications use the Advanced Disinfection technology for eliminating active infections. This feature fights against malicious programs that are running on the computer and preventing anti-virus software from removing them.
If such malicious code is detected, the Advanced Disinfection technology does the following:
Upon restart, run a full virus scan. See instructions in Online Help for your Kaspersky application:
To enable the Advanced Disinfection technology:
Advanced Disinfection technology will be enabled.
The the above recommendations did not help and Kaspersky Rescue Disk and Kaspersky Virus Removal Tool detected no threats, contact Kaspersky technical support by choosing the topic and filling out the form.
In your request, please provide the following:
Technical support for Kaspersky Free is not provided through My Kaspersky. You can ask for help or look up your problem among existing topics in our Community. If you want full technical support, download a solution for home, e.g. Kaspersky Internet Security, and buy a license for it.
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