Unable to update, upgrade or install Plesk: The installation of the package ‘<package_name>’ failed with code 1603 – Plesk

Symptoms

Plesk update, upgrade or installation fails with the following error:

Upgrading Plesk base locale...
Failed to install 'C:ParallelsInstallerparallelsPANEL-WIN_17.8.11dist-windowsplesk-locale-base-en-US_mu011.msi': Fatal error during installation. (Error code 1603)
ERROR: The installation of the package 'plesk-locale-base-en-US' failed with code 1603. (upgrade: Upgrading Plesk base locale...)
Not all packages were installed.
Please contact product technical support.
exit status 1

Cause

Another installation is in progress or a reboot is required after a previous installation, usually an MSI package.

Resolution

1. Connect to a Plesk server via RDP

2. Reboot the server

3. Open Task Manager and verify that the msiexec.exe process is not running. In case it is running, finish this process.

4. Restart Plesk update/upgrade in a command-line interface

5. If the installation fails with the same error message, follow the steps from the Microsoft KB article.

Related Articles

• How to update Plesk
• How to upgrade Plesk to the next release