Error occurred during application installation

Issue

If you get the message “Error occurred during application installation”, follow the instructions below.

Solution

1. Create a restore point. See this article for instructions.
2. Make sure you have an activation code for your Kaspersky application. You will need to enter it after you reinstall the application.
   
3. Delete the files of the earlier installed application versions using the kavremover tool. See this article for instructions.
4. Install the application once again.

If the installation freezes at the step “Installing Microsoft .Net Framework”, see this article.

What to do if the issue persists

If the issue persists, submit a request to Kaspersky Customer Service by choosing the topic and filling out the form.

Useful references

Installation of a Kaspersky application on Windows 7 freezes at the step “Installing Microsoft .Net Framework”
How to find the activation code for your Kaspersky application on My Kaspersky
Where is the activation code I bought?