Dynamics365 PluginRegistration tool throws exception "System.IO.FileLoadException: Could not load file or assembly 'file:///C:\Users\...\xyz.dll' or one of its dependencies."
If you are facing below highlighted error detail with PluginRegistration meaning you are trying to register signed/unsigned dll download over the network. Unhandled Exception: System.IO.FileLoadException: Could not load file or assembly 'file:///C:\Users\\...\xyz.dll' or one of its dependencies. Operation is not supported. ( Exception from HRESULT: 0x80131515) at System.Reflection.RuntimeAssembly._nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, RuntimeAssembly locationHint, StackCrawlMark& stackMark, IntPtr pPrivHostBinder, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks) at System.Reflection.RuntimeAssembly.InternalLoadAssemblyName(AssemblyName assemblyRef, Evidence assemblySecurity, RuntimeAssembly reqAssembly, StackCrawlMark& stackMark, IntPtr pPrivHostBinder, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks) at System.Reflection...