# Error on Airac install Navdata Center

**URL:** <https://forum.navigraph.com/t/error-on-airac-install-navdata-center/11567>\
**Category:** Navigraph Hub\
**Created:** [March 22, 2023, 12:58pm UTC](https://forum.navigraph.com/t/error-on-airac-install-navdata-center/11567 "2023-03-22T12:58:23Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![m4rkus](https://dub1.discourse-cdn.com/flex013/user_avatar/forum.navigraph.com/m4rkus/32/330_2.png) [@m4rkus](https://forum.navigraph.com/u/m4rkus)\
**Post date:** [March 22, 2023, 3:17pm UTC](https://forum.navigraph.com/t/error-on-airac-install-navdata-center/11567/2 "2023-03-22T15:17:47Z")

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Hi Brian,

It looks as if your Content.xml file has been corrupted in some way. Can you please post it here and I will try to help you out. Here is a post on where you can find it:

> [@FAQ - MSFS Location/Path of content.xml package file](https://forum.navigraph.com/t/faq-location-path-of-content-xml-package-file/2798):
>
> Sim from Marketplace: %localAppData%\Packages\Microsoft.FlightSimulator\_8wekyb3d8bbwe\LocalCache Sim from Steam: %appData%\Microsoft Flight Simulator

Kind regards,

Markus

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