Using your own rasters with OS Open basemaps

With the release of the OS Open basemaps in ArcGIS Online, customers may wish to overlay their own raster tile layers on the basemaps. In some instances an error that the layer cannot be added to the map because it's coordinate system or tiling scheme can't be adjusted to align properly with the basemap.

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How to: Uninstall 3rd Party Extensions

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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Troubleshooting ArcGIS Desktop issues - Getting Started

Here in the Technical Support team, a large part of our day is spent troubleshooting issues where ArcGIS Desktop is misbehaving. When dealing with these kinds of issues, there are some easy-to-answer questions that you can use to narrow down where the problem is occurring. Over the course of this series of articles, we will be exploring various troubleshooting steps that you can try to resolve your issue, based on the answers to these questions.
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