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Find clear, step-by-step solutions to common WithSecure issues across installation, configuration, updates, and product performance.

Client Security or Server Security installation failed because Universal CRT is not installed.

Issue:

  • Universal CRT is not installed therefore Client Security or Server Security installation fails.
  • In Policy Manger Console, push installations result in the status error message: "Installation failed. MSI error code is 1603".
  • The following error can be seen in Windows Application Event Logs: "Product: F-Secure Client Security [Premium] 14.XX/F-Secure Server Security [Premium] 14.XX — Universal CRT is not installed".

Resolution:

The latest version of Client Security and Server Security require Windows Universal C Runtime to be installed on the system. Download and install Windows Universal C Runtime from the link here before installing Client Security or Server Security.

Here is also an alternate link from where to download Windows Universal C Runtime. Use this link, if a server operating system is used.