$ npm install npm WARN deprecated graceful-fs@3.0.8: graceful-fs version 3 and before will fail on newer node releases. Please update to graceful-fs@^4.0.0 as soon as possible. npm WARN deprecated lodash@1.0.2: lodash@<3.0.0 is no longer maintained. Upgrade to lodash@^4.0.0. npm WARN deprecated graceful-fs@1.2.3: graceful-fs version 3 and before will fail on newer node releases. Please update to graceful-fs@^4.0.0 as soon as possible. npm WARN deprecated jade@0.26.3: Jade has been renamed to pug, please install the latest version of pug instead of jade npm WARN deprecated graceful-fs@2.0.3: graceful-fs version 3 and before will fail on newer node releases. Please update to graceful-fs@^4.0.0 as soon as possible. npm WARN prefer global npm@3.8.6 should be installed with -g > nslog@3.0.0 install C:\Users\jeff\Documents\GitHub\tofino\node_modules\nslog > node-gyp rebuild C:\Users\jeff\Documents\GitHub\tofino\node_modules\nslog>if not defined npm_config_node_gyp (node "C:\Users\jeff\AppData\Roaming\npm\node_modules\npm\bin\node-gyp-bin\\..\..\node_modules\node-gyp\bin\node-gyp.js" rebuild ) else (node "" rebuild ) Building the projects in this solution one at a time. To enable parallel build, please add the "/m" switch. MSBUILD : error MSB4132: The tools version "2.0" is unrecognized. Available tools versions are "4.0". gyp ERR! build error gyp ERR! stack Error: `C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe` failed with exit code: 1 gyp ERR! stack at ChildProcess.onExit (C:\Users\jeff\AppData\Roaming\npm\node_modules\npm\node_modules\node-gyp\lib\build.js:276:23) gyp ERR! stack at emitTwo (events.js:100:13) gyp ERR! stack at ChildProcess.emit (events.js:185:7) gyp ERR! stack at Process.ChildProcess._handle.onexit (internal/child_process.js:204:12) gyp ERR! System Windows_NT 10.0.10586 gyp ERR! command "C:\\Program Files\\nodejs\\node.exe" "C:\\Users\\jeff\\AppData\\Roaming\\npm\\node_modules\\npm\\node_modules\\node-gyp\\bin\\node-gyp.js" "rebuild" gyp ERR! cwd C:\Users\jeff\Documents\GitHub\tofino\node_modules\nslog gyp ERR! node -v v5.10.1 gyp ERR! node-gyp -v v3.3.1 gyp ERR! not ok tofino@0.1.0 C:\Users\jeff\Documents\GitHub\tofino +-- babel-core@6.7.4 ... `-- yargs@3.32.0 extraneous npm WARN optional Skipping failed optional dependency /chokidar/fsevents: npm WARN notsup Not compatible with your operating system or architecture: fsevents@1.0.11 npm WARN tofino@0.1.0 No repository field. npm ERR! Windows_NT 10.0.10586 npm ERR! argv "C:\\Program Files\\nodejs\\node.exe" "C:\\Users\\jeff\\AppData\\Roaming\\npm\\node_modules\\npm\\bin\\npm-cli.js" "install" npm ERR! node v5.10.1 npm ERR! npm v3.8.6 npm ERR! code ELIFECYCLE npm ERR! nslog@3.0.0 install: `node-gyp rebuild` npm ERR! Exit status 1 npm ERR! npm ERR! Failed at the nslog@3.0.0 install script 'node-gyp rebuild'. npm ERR! Make sure you have the latest version of node.js and npm installed. npm ERR! If you do, this is most likely a problem with the nslog package, npm ERR! not with npm itself. npm ERR! Tell the author that this fails on your system: npm ERR! node-gyp rebuild npm ERR! You can get information on how to open an issue for this project with: npm ERR! npm bugs nslog npm ERR! Or if that isn't available, you can get their info via: npm ERR! npm owner ls nslog npm ERR! There is likely additional logging output above. npm ERR! Please include the following file with any support request: npm ERR! C:\Users\jeff\Documents\GitHub\tofino\npm-debug.log jeff@pain MINGW64 ~/Documents/GitHub/tofino (master)