Error: "Installation failed. The setup cannot continue, because some important files are missing"

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Issue:

When trying to install F-Secure End Point Protection products (F-Secure Client Security, Server Security, PSB Computer Protection or Server Protection), installalation fails with error message: "Installation failed. The setup cannot continue, because some important files are missing". 

Resolution:

This error message can appear if there are files remaining on the system from a previous F-Secure product installation. Before retrying the installation, it is recommended to do a "complete removal" of previous F-Secure products by running the F-Secure Uninstallation Tool. 

The F-Secure Uninstallation Tools are available from https://www.f-secure.com/en/business/support-and-downloads/support-tools
 
Note: Please take note of the product version you are installing. Older and newer product versions use different uninstallation tools.

After running the uninstallation tool and completing the uninstall process, best practice is to restart the computer then complete re-installation steps using the latest installer / latest version. For servers, it is recommended to perform the steps during off-peak hours. 

Article no: 000015190

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