How to: Uninstall 3rd Party Extensions

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Third party extensions can provide some very useful additional functionality to ArcMap, but are not supported because they have not been written by Esri Inc. If ArcMap is not performing correctly, it may be necessary to remove/ uninstall third party extensions to see if this resolves the issue.
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Using OAuth2 App ID Authentication with ArcGIS Online Applications

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When using OAuth2 App-ID authentication with ArcGIS Online Applications, it is worth noting that the Feature Services being consumed by the application must be owned by the application author (the creator of the token). If the Feature Services are not owned by the application author, or are only shared to the application author, the user will receive an error.
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