ArcGIS Pro add-ins cannot be installed and the ESRI ArcGIS Add-In Installation Utility throws an installation error when the Regional and Language setting is set to French (Canada).
Last Published: September 14, 2015ArcGIS Pro SDK for .NET
Bug ID Number
August 27, 2015
August 10, 2020
ArcGIS Pro SDK for .NET
Operating System Version
7.0 64 Bit
The bug has been fixed. See the Version Fixed and Additional Information, if applicable, for more information.
1. Change the Regional and Language settings to English (United States).2. Keep the Regional and Language settings to Fench (Canada), but change the Additional settings > Decimal symbol from a comma to a period.