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APPX_E_INVALID_CONTENTGROUPMAP
APPX_E_INVALID_CONTENTGROUPMAP means that the package content group map used for streaming installation is invalid. Content groups define which files are required before launch and which files can download later.
Validate the map
- Generate the final
AppxContentGroupMap.xmlwith Visual Studio or MakeAppx instead of editing generated output. - Keep essential executable code and launch assets in the single required content group.
- Check group names, file paths, wildcard expansion, and duplicate or excluded footprint files in the source map.
Streaming installation depends on the package file layout, so correct the map and package contents together.
Microsoft: create a content group map
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