ERROR_INSTALL_PACKAGE_DOWNGRADE 0x80073D06
Error code 15622 · HRESULT 0x80073D06
The package could not be installed because a higher version of this package is already installed.
What it means
ERROR_INSTALL_PACKAGE_DOWNGRADE is a Windows error code (system error 15622, returned as HRESULT 0x80073D06) reported by Windows. Its official message is: “The package could not be installed because a higher version of this package is already installed.”
How to fix ERROR_INSTALL_PACKAGE_DOWNGRADE
- Run the Windows Update troubleshooter (Settings → System → Troubleshoot → Other tools)
- Reset update components: stop 'wuauserv' and 'bits', clear C:\Windows\SoftwareDistribution, restart both services
- Verify system file integrity with 'sfc /scannow'
Related errors
Source: Microsoft WinError.h
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