can't install windows 10

[dsisnero]

C:\Users\Dominic E Sisneros\source\repos\ruby\try_arrow>gem install ndtypes --pre
Temporarily enhancing PATH for MSYS/MINGW...
ERROR: While executing gem ... (Errno::EACCES)
Permission denied @ rb_file_s_symlink - (ext/ruby_ndtypes/lib/libndtypes.so.0.2.0dev3, C:/Ruby26-x64/lib/ruby/gems/2.6.0/gems/ndtypes-0.2.0dev8/ext/ruby_ndtypes/lib/libndtypes.so)

I have never had a permission error when installing a gem before