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Delete Avidyne Apps before Installing New Versions

Printed From: Avidyne
Category: Avidyne General
Forum Name: IFD Mobile Apps
Forum Description: IFD100, IFD Trainer
URL: https://avidynelive.com/forum_posts.asp?TID=2799
Printed Date: 26 Mar 2026 at 6:43pm
Software Version: Web Wiz Forums 12.07 - https://www.webwizforums.com


Topic: Delete Avidyne Apps before Installing New Versions
Posted By: Gary Lutchansky
Subject: Delete Avidyne Apps before Installing New Versions
Date Posted: 30 Sep 2025 at 12:10pm
Delete IFD Trainer and IFD100 apps before Installing New Versions of IFD Trainer and IFD100.

An existing forum post details troubleshooting a crash that occurred after installing the new IFD Trainer app:

https://avidynelive.com/trainer-stuck-on-establishing-communications_topic2786.html" rel="nofollow -

If you download a chart, the chart gets stored in the App Group, and then the chart is immediately available to all the related apps. The App Group also stores common settings used in the apps. The problem occurred because the format for some of these settings differ between app versions. For this reason, the App Group must be removed. Because the App Group remains until the last of the apps that reference the App Group are deleted, all apps must be deleted before installing the new versions.

Until this problem is corrected through an app update, the solution is to remove all apps and then install the new versions. 





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