How to fix "License problem detected" and "Invalid key file" errors in Kaspersky Lab applications

 

General articles: Purchasing and licensing

 
 
 

How to fix "License problem detected" and "Invalid key file" errors in Kaspersky Lab applications

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Latest update: 2019 Aug 15 ID: 14484
 
 
 
 

To fix the License problem detected or Invalid key file errors, reinstall the Kaspersky Lab application:

  1. Uninstall the application. For the uninstallation guide, see this article
  2. Download and install the application once again. Click the application name to view the installation guide for your application: Kaspersky Anti-Virus, Kaspersky Internet SecurityKaspersky Total Security
 
 
 
 
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