Monthly Archives: January 2023

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Adding a font to an MSIX

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My friends at Advanced Installer have an excellent article (actually the only authority on the subject) describing how to add a font to an MSIX.

However, I kept getting an invalid manifest 0x80080204 error when trying to save the manifest after adding the extension section while creating an MSIX for Visual Studio Code (which needs a specific font or icons won’t show).

I then noticed there was no xmlns link at the top of the package for uap4 🙂

Replace the following in your manifest:

<Package xmlns="http://schemas.microsoft.com/appx/manifest/foundation/windows10" xmlns:uap="http://schemas.microsoft.com/appx/manifest/uap/windows10" xmlns:uap2="http://schemas.microsoft.com/appx/manifest/uap/windows10/2" xmlns:uap3="http://schemas.microsoft.com/appx/manifest/uap/windows10/3" xmlns:uap10="http://schemas.microsoft.com/appx/manifest/uap/windows10/10" xmlns:rescap="http://schemas.microsoft.com/appx/manifest/foundation/windows10/restrictedcapabilities" IgnorableNamespaces="uap uap2 uap3 uap10 rescap">

with this (or just add uap4):

<Package xmlns="http://schemas.microsoft.com/appx/manifest/foundation/windows10" xmlns:uap="http://schemas.microsoft.com/appx/manifest/uap/windows10" xmlns:uap2="http://schemas.microsoft.com/appx/manifest/uap/windows10/2" xmlns:uap3="http://schemas.microsoft.com/appx/manifest/uap/windows10/3" xmlns:uap4="http://schemas.microsoft.com/appx/manifest/uap/windows10/4" xmlns:uap10="http://schemas.microsoft.com/appx/manifest/uap/windows10/10" xmlns:rescap="http://schemas.microsoft.com/appx/manifest/foundation/windows10/restrictedcapabilities" IgnorableNamespaces="uap uap2 uap3 uap4 uap10 rescap">

And it should work 🙂