ERROR_PRI_MERGE_MULTIPLE_PACKAGE_FAMILIES_NOT_ALLOWED 0x80073B31

Error code 15153 · HRESULT 0x80073B31

WINDOWS

Packages for a PRI file merge must all be from the same package family.

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_PRI_MERGE_MULTIPLE_PACKAGE_FAMILIES_NOT_ALLOWED is a Windows error code (system error 15153, returned as HRESULT 0x80073B31) reported by Windows. Its official message is: “Packages for a PRI file merge must all be from the same package family.”

How to fix ERROR_PRI_MERGE_MULTIPLE_PACKAGE_FAMILIES_NOT_ALLOWED

  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_PRI_MERGE_MULTIPLE_MAIN_PACKAGES_NOT_ALLOWEDERROR_PRI_MERGE_WRITE_FILE_FAILEDERROR_PRI_MERGE_ADD_FILE_FAILEDERROR_PRI_MERGE_BUNDLE_PACKAGES_NOT_ALLOWEDERROR_PRI_MERGE_LOAD_FILE_FAILEDERROR_PRI_MERGE_MAIN_PACKAGE_REQUIREDERROR_PRI_MERGE_MISSING_SCHEMA

Source: Microsoft WinError.h

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