gyp info it worked if it ends with ok
gyp info using node-gyp@3.4.0
gyp info using node@4.4.5 | win32 | ia32
gyp http GET https://atom.io/download/atom-shell/v0.37.8/node-v0.37.8.tar.gz
gyp http 200 https://atom.io/download/atom-shell/v0.37.8/node-v0.37.8.tar.gz
gyp WARN install got an error, rolling back install
gyp ERR! install error
gyp ERR! stack Error: EPERM: operation not permitted, open 'C:\Users\lau.atom.node-gyp.node-gyp\0.37.8\deps\zlib\crc32.h'
gyp ERR! stack at Error (native)
gyp ERR! System Windows_NT 10.0.14393
gyp ERR! command "C:\Users\lau\AppData\Local\atom\app-1.11.2\resources\app\apm\bin\node.exe" "C:\Users\lau\AppData\Local\atom\app-1.11.2\resources\app\apm\node_modules\node-gyp\bin\node-gyp.js" "install" "--runtime=electron" "--target=0.37.8" "--dist-url=https://atom.io/download/atom-shell" "--arch=ia32" "--ensure"
gyp ERR! cwd C:\Users\lau.atom
gyp ERR! node -v v4.4.5
gyp ERR! node-gyp -v v3.4.0
gyp ERR! not ok
why?