--- title: "Install package error: \"AddPrinter failed with error= The printer driver is unknown.\"" slug: "install-package-error-addprinter-failed-with-error-the-printerdriver-is-unknown" updated: 2024-04-02T06:59:47Z published: 2024-04-02T06:59:47Z canonical: "kb.pharos.com/install-package-error-addprinter-failed-with-error-the-printerdriver-is-unknown" --- > ## Documentation Index > Fetch the complete documentation index at: https://kb.pharos.com/llms.txt > Use this file to discover all available pages before exploring further. # Install package error: AddPrinter failed with error The printer driver is unknown. When I install a package I receive the following error: "The install failed with error "AddPrinter failed with error= The printer driver is unknown." --- This error is not related to Pharos - it is associated with the print driver. Complete the following test to confirm this: 1. Create a test printer using the suspect driver on the local workstation 2. When you click the Finish button you should receive the following MS error: "Unable to Install Printer. Operation could not be completed" ## Related - [Install package error: "AddPrinter failed with error= The printer driver is unknown."](/install-package-error-addprinter-failed-with-error-the-printer-driver-is-unknown.md) - [MAC Issue - Auto Package Installer not installing printer drivers automatically](/mac-issue-auto-package-installer-not-installing-printer-drivers-automatically.md) - [Collector can contact Analyst on install, but fails server health checks](/collector-can-contact-analyst-on-install-but-fails-server-health-checks.md) - [Uniprint Suite - How can I apply default printer settings to the Popup printer with a distribution Package](/uniprint-suite-how-can-i-apply-default-printer-settings-to-the-popup-printer-with-a-distribution-package.md) - [Install Package Error: Pharos Module Updater cannot be installed on this machine](/install-package-error-pharos-module-updater-cannot-be-installed-on-this-machine.md)