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ERROR_INSTALL_INVALID_PACKAGE
ERROR_INSTALL_INVALID_PACKAGE means Windows App Deployment found invalid package data. The cause may be malformed package content, an invalid manifest, or another validation failure exposed by the deployment log.
Do not try to repair the package archive manually. Reproduce the build from known inputs and use the detailed AppX log to locate the validation stage.
What to check
- Retrieve the Activity ID log and identify the first validation error rather than relying only on this final code.
- Rebuild the package from the original source and sign the rebuilt output with the intended certificate.
- Check that the package manifest, referenced files, and declared dependencies come from one consistent build output.
Get-AppxLog -ActivityId <ActivityId>Microsoft: App package deployment troubleshooting
Microsoft: App Installer troubleshooting
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