0 info it worked if it ends with ok 1 verbose cli [ 'C:\\Program Files\\nodejs\\\\node.exe', 1 verbose cli 'C:\\Program Files\\nodejs\\node_modules\\npm\\bin\\npm-cli.js', 1 verbose cli 'run', 1 verbose cli 'watch-dev' ] 2 info using npm@1.4.14 3 info using node@v0.10.29 4 verbose node symlink C:\Program Files\nodejs\\node.exe 5 verbose run-script [ 'prewatch-dev', 'watch-dev', 'postwatch-dev' ] 6 info prewatch-dev vis@3.7.2-SNAPSHOT 7 info watch-dev vis@3.7.2-SNAPSHOT 8 verbose unsafe-perm in lifecycle true 9 info vis@3.7.2-SNAPSHOT Failed to exec watch-dev script 10 error vis@3.7.2-SNAPSHOT watch-dev: `gulp watch --bundle` 10 error Exit status 8 11 error Failed at the vis@3.7.2-SNAPSHOT watch-dev script. 11 error This is most likely a problem with the vis package, 11 error not with npm itself. 11 error Tell the author that this fails on your system: 11 error gulp watch --bundle 11 error You can get their info via: 11 error npm owner ls vis 11 error There is likely additional logging output above. 12 error System Windows_NT 6.1.7601 13 error command "C:\\Program Files\\nodejs\\\\node.exe" "C:\\Program Files\\nodejs\\node_modules\\npm\\bin\\npm-cli.js" "run" "watch-dev" 14 error cwd C:\Dropbox\Almende\Projects\JavaScript\vis 15 error node -v v0.10.29 16 error npm -v 1.4.14 17 error code ELIFECYCLE 18 verbose exit [ 1, true ]