after CLone npm run dev command

[pradeepvish1213]

node-sass@4.9.3 install c:\work\vue-express-mongo-boilerplate\node_modules\node-sass
node scripts/install.js

Downloading binary from https://github.com/sass/node-sass/releases/download/v4.9.3/win32-x64-72_binding.node
Cannot download "https://github.com/sass/node-sass/releases/download/v4.9.3/win32-x64-72_binding.node":

HTTP error 404 Not Found

Hint: If github.com is not accessible in your location
try setting a proxy via HTTP_PROXY, e.g.

  export HTTP_PROXY=http://example.com:1234

or configure npm proxy via

  npm config set proxy http://example.com:8080

node-sass@4.9.3 postinstall c:\work\vue-express-mongo-boilerplate\node_modules\node-sass
node scripts/build.js

Building: C:\Program Files\nodejs\node.exe c:\work\vue-express-mongo-boilerplate\node_modules\node-gyp\bin\node-gyp.js rebuild --verbose --libsass_ext= --libsass_cflags= --libsass_ldflags= --libsass_library=
gyp info it worked if it ends with ok
gyp verb cli [
gyp verb cli 'C:\Program Files\nodejs\node.exe',
gyp verb cli 'c:\work\vue-express-mongo-boilerplate\node_modules\node-gyp\bin\node-gyp.js',
gyp verb cli 'rebuild',
gyp verb cli '--verbose',
gyp verb cli '--libsass_ext=',
gyp verb cli '--libsass_cflags=',
gyp verb cli '--libsass_ldflags=',
gyp verb cli '--libsass_library='
gyp verb cli ]
gyp info using node-gyp@3.8.0
gyp info using node@12.13.1 | win32 | x64
gyp verb command rebuild []
gyp verb command clean []
gyp verb clean removing "build" directory
gyp verb command configure []
gyp verb check python checking for Python executable "C:\Python27\python.exe" in the PATH
gyp verb which succeeded C:\Python27\python.exe C:\Python27\python.exe
gyp verb check python version C:\Python27\python.exe -c "import sys; print "2.7.17 gyp verb check python version .%s.%s" % sys.version_info[:3];" returned: %j
gyp verb get node dir no --target version specified, falling back to host node version: 12.13.1
gyp verb command install [ '12.13.1' ]
gyp verb install input version string "12.13.1"
gyp verb install installing version: 12.13.1
gyp verb install --ensure was passed, so won't reinstall if already installed
gyp verb install version is already installed, need to check "installVersion"
gyp verb got "installVersion" 9
gyp verb needs "installVersion" 9
gyp verb install version is good
gyp verb get node dir target node version installed: 12.13.1
gyp verb build dir attempting to create "build" dir: c:\work\vue-express-mongo-boilerplate\node_modules\node-sass\build
gyp verb build dir "build" dir needed to be created? c:\work\vue-express-mongo-boilerplate\node_modules\node-sass\build
gyp verb find vs2017 Found installation at: C:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools
gyp verb find vs2017 - Found Microsoft.VisualStudio.Component.Windows10SDK.17763
gyp verb find vs2017 - Found Microsoft.VisualStudio.Component.VC.Tools.x86.x64
gyp verb find vs2017 - Found Microsoft.VisualStudio.VC.MSBuild.Base
gyp verb find vs2017 - Using this installation with Windows 10 SDK
gyp verb find vs2017 using installation: C:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools
gyp verb build/config.gypi creating config file
gyp verb build/config.gypi writing out config file: c:\work\vue-express-mongo-boilerplate\node_modules\node-sass\build\config.gypi
gyp verb config.gypi checking for gypi file: c:\work\vue-express-mongo-boilerplate\node_modules\node-sass\config.gypi
gyp verb common.gypi checking for gypi file: c:\work\vue-express-mongo-boilerplate\node_modules\node-sass\common.gypi
gyp verb gyp gyp format was not specified; forcing "msvs"
gyp info spawn C:\Python27\python.exe
gyp info spawn args [
gyp info spawn args 'c:\work\vue-express-mongo-boilerplate\node_modules\node-gyp\gyp\gyp_main.py',
gyp info spawn args 'binding.gyp',
gyp info spawn args '-f',
gyp info spawn args 'msvs',
gyp info spawn args '-G',
gyp info spawn args 'msvs_version=2015',
gyp info spawn args '-I',
gyp info spawn args 'c:\work\vue-express-mongo-boilerplate\node_modules\node-sass\build\config.gypi',
gyp info spawn args '-I',
gyp info spawn args 'c:\work\vue-express-mongo-boilerplate\node_modules\node-gyp\addon.gypi',
gyp info spawn args '-I',
gyp info spawn args 'C:\Users\pvishwakarma\.node-gyp\12.13.1\include\node\common.gypi',
gyp info spawn args '-Dlibrary=shared_library',
gyp info spawn args '-Dvisibility=default',
gyp info spawn args '-Dnode_root_dir=C:\Users\pvishwakarma\.node-gyp\12.13.1',
gyp info spawn args '-Dnode_gyp_dir=c:\work\vue-express-mongo-boilerplate\node_modules\node-gyp',
gyp info spawn args '-Dnode_lib_file=C:\Users\pvishwakarma\.node-gyp\12.13.1\<(target_arch)\node.lib',
gyp info spawn args '-Dmodule_root_dir=c:\work\vue-express-mongo-boilerplate\node_modules\node-sass',
gyp info spawn args '-Dnode_engine=v8',
gyp info spawn args '--depth=.',
gyp info spawn args '--no-parallel',
gyp info spawn args '--generator-output',
gyp info spawn args 'c:\work\vue-express-mongo-boilerplate\node_modules\node-sass\build',
gyp info spawn args '-Goutput_dir=.'
gyp info spawn args ]
gyp verb command build []
gyp verb build type Release
gyp verb architecture x64
gyp verb node dev dir C:\Users\pvishwakarma.node-gyp\12.13.1
gyp verb found first Solution file build/binding.sln
gyp verb using MSBuild: C:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\MSBuild\15.0\Bin
gyp info spawn C:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\MSBuild\15.0\Bin
gyp info spawn args [
gyp info spawn args 'build/binding.sln',
gyp info spawn args '/nologo',
gyp info spawn args '/p:Configuration=Release;Platform=x64'
gyp info spawn args ]
gyp ERR! UNCAUGHT EXCEPTION
gyp ERR! stack Error: spawn C:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\MSBuild\15.0\Bin ENOENT
gyp ERR! stack at Process.ChildProcess._handle.onexit (internal/child_process.js:264:19)
gyp ERR! stack at onErrorNT (internal/child_process.js:456:16)
gyp ERR! stack at processTicksAndRejections (internal/process/task_queues.js:80:21)
gyp ERR! System Windows_NT 10.0.18362
gyp ERR! command "C:\Program Files\nodejs\node.exe" "c:\work\vue-express-mongo-boilerplate\node_modules\node-gyp\bin\node-gyp.js" "rebuild" "--verbose" "--libsass_ext=" "--libsass_cflags=" "--libsass_ldflags=" "--libsass_library="
gyp ERR! cwd c:\work\vue-express-mongo-boilerplate\node_modules\node-sass
gyp ERR! node -v v12.13.1
gyp ERR! node-gyp -v v3.8.0
gyp ERR! This is a bug in node-gyp.
gyp ERR! Try to update node-gyp and file an Issue if it does not help:
gyp ERR! https://github.com/nodejs/node-gyp/issues
Build failed with error code: 7
npm WARN acorn-jsx@5.1.0 requires a peer of acorn@^6.0.0 || ^7.0.0 but none is installed. You must install peer dependencies yourself.
npm WARN gulp-babel@8.0.0 requires a peer of @babel/core@^7.0.0 but none is installed. You must install peer dependencies yourself.
npm WARN mongoose-auto-increment@5.0.1 requires a peer of mongoose@^4.1.12 but none is installed. You must install peer dependencies yourself.
npm WARN sass-loader@6.0.5 requires a peer of webpack@^2.0.0 but none is installed. You must install peer dependencies yourself.
npm WARN sinon-chai@2.10.0 requires a peer of chai@>=1.9.2 <4 but none is installed. You must install peer dependencies yourself.
npm WARN stats-webpack-plugin@0.6.0 requires a peer of webpack@^1.0||^2.1.0-beta||^2.2.0-rc but none is installed. You must install peer dependencies yourself.
npm WARN The package cross-env is included as both a dev and production dependency.
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@1.2.11 (node_modules\fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.2.11: wanted {"os":"darwin","arch":"any"} (current: {"os":"win32","arch":"x64"})

npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! node-sass@4.9.3 postinstall: node scripts/build.js
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the node-sass@4.9.3 postinstall script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

[samihamine]

Hi @pradeepvish1213 , you have to rebuild your node-sass module. A simple "npm rebuild node-sass" will solve the problem