# Why errors "The installation of the package 'any_package' failed with code 1603" occurs ?Follow

## Created:

2016-11-16 12:47:59 UTC

## Modified:

2017-04-24 12:11:21 UTC
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# Why errors "The installation of the package 'any_package' failed with code 1603" occurs ?

## Applicable to:

• Plesk 12.5 for Linux
• Plesk 12.0 for Windows
• Plesk 12.5 for Windows

## Question

Update of Plesk fails with errors like:

``Details: ERROR: The installation of the package 'plesk-wp-cli' failed with code 1603. (upgrade: upgrading WordPress Command Line Tools...)Not all packages were installed.Please, contact product technical support.``

Why error above appears ?

One of the reason is that ``` C:\\Windows\\Installer ``` folder is empty.
The Windows Installer Cache, located in ``` c:\\windows\\installer ``` folder, is used to store important files for applications installed using the Windows Installer technology and should not be deleted. If the installer cache has been removed, you may not immediately see problems until you perform an action such as uninstall, repair, or update of a product.When a product is installed using Windows Installer, critical files are stored in the Windows Installer Cache (default is ``` C:\\Windows\\Installer ``` ). These files are required for uninstalling and updating applications. Missing files cannot be copied between machines since they are unique.