error: internal compiler error: got some unknown exception of type System.IO.FileLoadException: Could not load file or assembly 'file:///c:\Downloads\n\ncc.parser.csharp.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.RuntimeAssembly.InternalLoadAssemblyName(AssemblyName assemblyRef, Evidence assemblySecurity, RuntimeAssembly reqAssembly, StackCrawlMark& stackMark, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks)
   at System.Reflection.RuntimeAssembly.InternalLoadFrom(String assemblyFile, Evidence securityEvidence, Byte[] hashValue, AssemblyHashAlgorithm hashAlgorithm, Boolean forIntrospection, Boolean suppressSecurityChecks, StackCrawlMark& stackMark)
   at System.Reflection.Assembly.LoadFrom(String assemblyFile)
   at Nemerle.Compiler.LibraryReferenceManager.assemblyLoadFrom(String path)
   at Nemerle.Compiler.LibraryReferenceManager._N_assembly_by_name_55426(_N_closureOf_LookupAssembly_55418 _N_LookupAssembly_cp_55425, String path)
   at Nemerle.Compiler.LibraryReferenceManager.LookupAssembly(String name)
   at Nemerle.Compiler.LibraryReferenceManager.LoadPluginsFrom(String name, String strongPart, Boolean loadMacros, Boolean loadParsers)
   at Nemerle.Compiler.ManagerClass._N__N_lambda__28327__28433.apply_void()
   at Nemerle.Compiler.ManagerClass._N_tryEx_28394(_N_closureOf_LoadExternalLibraries_28376 _N_LoadExternalLibraries_cp_28393, FunctionVoid f)
   at Nemerle.Compiler.ManagerClass._N__N_lambda__27739__28409.apply_void()
   at Nemerle.Compiler.ManagerClass._N_tryEx_28394(_N_closureOf_LoadExternalLibraries_28376 _N_LoadExternalLibraries_cp_28393, FunctionVoid f)
   at Nemerle.Compiler.ManagerClass.LoadExternalLibraries()
   at Nemerle.Compiler.ManagerClass.Run()
   at Nemerle.CommandlineCompiler.MainClass.main_with_catching()