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App Install Error 0x80073D2E (ERROR_PACKAGE_EXTERNAL_LOCATION_NOT_ALLOWED)

0x80073D2E is an app package result. The package deployment failed because its publisher is not in the signed namespace.

Code reference and safe checks

Read the exact screen and operation before selecting a repair. This page does not run commands or collect files, keys or logs.

What this value means

The package deployment failed because its publisher is not in the signed namespace.

This is an app package or Store deployment result. The package name and AppX deployment event often supply the missing detail.

Identity and provenance of 0x80073D2E
Code0x80073D2E
SymbolERROR_PACKAGE_EXTERNAL_LOCATION_NOT_ALLOWED
Windows familyApp and Microsoft Store errors
Source levelMicrosoft code and symbol entry

Safe next steps

  1. For 0x80073D2E (ERROR_PACKAGE_EXTERNAL_LOCATION_NOT_ALLOWED), record the package name, installed version, Windows build, and whether this is install, update, move, or removal.
  2. Check the app publisher’s official package and Windows AppXDeployment-Server events for the specific operation.
  3. Back up app data before uninstalling or resetting a package; on managed PCs, check policy with IT.

After one step, repeat the original operation and record whether this same code returns. A different code needs a fresh interpretation.

What this code cannot prove

The source establishes the identifier and reference meaning. It does not establish the cause on your specific PC.

If the result differs from the documented message or a repair could remove data, stop and use the official source or vendor support.

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Official reference and verification

Source type: Microsoft code and symbol entry. Checked against the source set on Nov 2, 2026.

Open the source reference ↗

The reference gives the meaning of this identifier. It does not inspect your PC or guarantee that one repair will work.