# Lose appr and can‘t install again

**URL:** <https://forum.navigraph.com/t/lose-appr-and-can-t-install-again/11517>\
**Category:** Navigraph Hub\
**Created:** [March 16, 2023, 4:26am UTC](https://forum.navigraph.com/t/lose-appr-and-can-t-install-again/11517 "2023-03-16T04:26:43Z")\
**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 16, 2023, 9:15am UTC](https://forum.navigraph.com/t/lose-appr-and-can-t-install-again/11517/2 "2023-03-16T09:15:23Z")

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Hi there,

It looks like your Content.XML file has been corrupted in some way. You can send it to me in a private DM and I can have a look. Here is a post describing where to 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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