.NET Framework or .Net Desktop Runtime error when installing or starting a Kaspersky application
Issue
You can encounter a .NET Framework or .Net Desktop Runtime error during the installation or start of a Kaspersky application.
Solution
If the .Net Framework error occurs, follow the steps below:
- Download and run Microsoft .NET Framework Repair Tool.
- Follow the steps of the installation wizard and then restart the computer.
- Try installing or starting a Kaspersky application once again.
If the Microsoft .NET Framework Repair Tool did not help to solve the issue, follow the recommendations depending on the version of your operating system:
For Windows 10, Windows 11:
Install the latest operating system updates from the Microsoft website and try installing or running a Kaspersky application once again.
If the .Net Desktop Runtime error occurs, follow the steps below:
- Download and install Microsoft .NET Desktop Runtime.
- Try installing or starting a Kaspersky application once again.
For Windows 8:
- Download and install the latest version of .Net Framework.
- Try installing or starting a Kaspersky application once again.
For Microsoft Windows 7 Service Pack 1:
- Delete the application using the standard Windows tools (click Start → Control Panel → Programs and Features → Uninstall/Change).
- Download and install .Net Framework.
- Try installing and starting a Kaspersky application once again.
What to do if the issue persists
If the issue persists, submit a request to Kaspersky Customer Service by choosing the topic of your request.
Customer Service for Kaspersky Free is not provided. You can look up your problem on our Forum or create a new topic with a detailed description of the issue.
If you want full Customer Service, download a supported solution for home and buy a license for it.