window8安装express报错， 1521 info install express@3.0.0rc5 1522 info postinstall express@3.0.0rc5 1523 verbose exit [ 0, true ] 1524 error Error: write Unknown system errno 31 1524 error at errnoException (net.js:769:11) 1524 error at Object.afterWrite (net.js:593:19) 1525 error If you need help, you may report this log at: 1525 error http://github.com/isaacs/npm/issues 1525 error or email it to: 1525 error <npm-@googlegroups.com> 1526 error System Windows_NT 6.2.9200 1527 error command “C:\Program Files\nodejs\\node.exe” “C:\Program Files\nodejs\node_modules\npm\bin\npm-cli.js” “install” “express@3.0” "-g" 1528 error cwd C:\Users\Admin 1529 error node -v v0.8.12 1530 error npm -v 1.1.63 1531 error syscall write 1532 error code Unknown system errno 31 1533 error errno Unknown system errno 31 1534 verbose exit [ 1, true ]