VSTS Build - Access to the registry key ... is denied - SteGriff

C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\MSBuild\15.0\Bin\Microsoft.Common.CurrentVersion.targets (4640, 5) C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\MSBuild\15.0\Bin\Microsoft.Common.CurrentVersion.targets(4640,5): Error MSB3216: Cannot register assembly "d:\a\1\s\MyAddIn\MyAddIn\bin\Release\MyAddIn.dll" - access denied. Please make sure you're running the application as administrator. Access to the registry key 'HKEY_CLASSES_ROOT\MyAddIn.SomeClassName' is denied.

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