ERROR_PACKAGE_ALREADY_EXISTS 0x80073CFB

Error code 15611 · HRESULT 0x80073CFB

WINDOWS

The provided package is already installed, and reinstallation of the package was blocked. Check the AppXDeployment-Server event log for details.

Windows troubleshooting diagram: Device Manager warning and a system file scan
Windows errors: check drivers, system files and Event Viewer, in that order.

What it means

ERROR_PACKAGE_ALREADY_EXISTS is a Windows error code (system error 15611, returned as HRESULT 0x80073CFB) reported by Windows. Its official message is: “The provided package is already installed, and reinstallation of the package was blocked. Check the AppXDeployment-Server event log for details.”

How to fix ERROR_PACKAGE_ALREADY_EXISTS

  1. Reboot once — many one-off system codes disappear with a clean restart
  2. Repair system files: 'sfc /scannow' then 'DISM /Online /Cleanup-Image /RestoreHealth'
  3. Find the source in Event Viewer → System: filter for this exact code and open its provider link

Related errors

ERROR_PACKAGE_REPOSITORY_CORRUPTEDERROR_PACKAGE_UPDATINGERROR_PACKAGE_MOVE_FAILEDERROR_PACKAGE_NOT_SUPPORTED_ON_FILESYSTEMERROR_INSTALL_FAILEDERROR_REMOVE_FAILEDERROR_NEEDS_REMEDIATION

Source: Microsoft WinError.h

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