permission denied error even when running as Admin

[solo-dancer]

C:\AltsLab\alts-grpc\GRPCClientNew\protoc.exe --plugin=protoc-ts=C:\AltsLab\alts-grpc\GRPCClientNew\node_modules.bin\protoc-ts --ts_out=service=true:generated C:\AltsLab\alts-grpc\GRPCClientNew\proto -I C:\AltsLab\alts-grpc\GRPCClientNew\proto C:\AltsLab\alts-grpc\GRPCClientNew\proto\basic.proto

C:\AltsLab\alts-grpc\GRPCClientNew\proto: Permission denied

I've tried everything absolute/relative paths .
Can you possibly help me on this ?