What does Windows error code 15622 (ERROR_INSTALL_PACKAGE_DOWNGRADE) mean?

 
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ERROR_DELETING_EXISTING_APPLICATIONDATA_STORE_FAILED ERROR_SYSTEM_NEEDS_REMEDIATION

ERROR_INSTALL_PACKAGE_DOWNGRADE

ERROR_INSTALL_PACKAGE_DOWNGRADE means the requested package version is lower than a version already installed for the same package family.

This is a versioning safeguard. Identify the installed package full name and use a supported update, uninstall, or test workflow instead of trying to overwrite the newer version.

What to check

  • Use Get-AppxPackage to identify the installed package family and version for the relevant user or all users.
  • Deploy a package with a higher version when performing a normal update.
  • For test rollback, use an isolated test device or follow the package publisher's supported downgrade process.
Get-AppxPackage -AllUsers | Select-Object Name, Version, PackageFullName

Microsoft: App package deployment troubleshooting

Microsoft: Get-AppxLog

Microsoft: Add-AppxPackage

Microsoft: Get-AppxPackage

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