Problem Install npm ; "npm install"

[JayRajM97]

npm install

npm WARN @angular/[email protected] requires a peer of @angular/[email protected] but none was installed. npm WARN optional SKIPPING OPTIONAL DEPENDENCY: [email protected] (node_modules\js-yaml): npm WARN enoent SKIPPING OPTIONAL DEPENDENCY: ENOENT: no such file or directory, utime 'C:\Windows\System32\angular2-seed\node_modules.staging\js-yaml-d016ede9\dist\js-yaml.js' npm WARN optional SKIPPING OPTIONAL DEPENDENCY: [email protected] (node_modules\postcss-modules-values\node_modules\postcss): npm WARN enoent SKIPPING OPTIONAL DEPENDENCY: ENOENT: no such file or directory, utime 'C:\Windows\System32\angular2-seed\node_modules.staging\postcss-c3910137\lib\node.js' npm WARN optional SKIPPING OPTIONAL DEPENDENCY: [email protected] (node_modules\http-proxy-middleware\node_modules\micromatch): npm WARN enoent SKIPPING OPTIONAL DEPENDENCY: ENOENT: no such file or directory, utime 'C:\Windows\System32\angular2-seed\node_modules.staging\micromatch-23301a2f\README.md' npm WARN optional SKIPPING OPTIONAL DEPENDENCY: [email protected] (node_modules\sockjs-client): npm WARN enoent SKIPPING OPTIONAL DEPENDENCY: ENOENT: no such file or directory, utime 'C:\Windows\System32\angular2-seed\node_modules.staging\sockjs-client-8b9e513b\dist\sockjs.min.js' npm WARN optional SKIPPING OPTIONAL DEPENDENCY: [email protected] (node_modules\postcss-modules-extract-imports\node_modules\postcss): npm WARN enoent SKIPPING OPTIONAL DEPENDENCY: ENOENT: no such file or directory, utime 'C:\Windows\System32\angular2-seed\node_modules.staging\postcss-1aaab318\docs\source-maps.md' npm WARN optional SKIPPING OPTIONAL DEPENDENCY: [email protected] (node_modules\postcss-modules-local-by-default\node_modules\postcss): npm WARN enoent SKIPPING OPTIONAL DEPENDENCY: ENOENT: no such file or directory, utime 'C:\Windows\System32\angular2-seed\node_modules.staging\postcss-cdf17e6b\lib\parser.js' npm WARN optional SKIPPING OPTIONAL DEPENDENCY: [email protected] (node_modules\postcss): npm WARN enoent SKIPPING OPTIONAL DEPENDENCY: ENOENT: no such file or directory, utime 'C:\Windows\System32\angular2-seed\node_modules.staging\postcss-4b5b3078\lib\node.js' npm WARN optional SKIPPING OPTIONAL DEPENDENCY: [email protected] (node_modules\tsickle): npm WARN enoent SKIPPING OPTIONAL DEPENDENCY: ENOENT: no such file or directory, utime 'C:\Windows\System32\angular2-seed\node_modules.staging\tsickle-5ed8dcfb\build\src\tsickle.js'

npm ERR! code EINTEGRITY npm ERR! sha1-FwsY1a9O4Cskiqah8eBYSshBaB4= integrity checksum failed when using sha1: wanted sha1-FwsY1a9O4Cskiqah8eBYSshBaB4= but got sha1-1WN9sU/Q2yzUNzGGcsfjOnqnn2c=. (31354 bytes)

[mveer-agarwal]

I am facing the same issue with npm install on package.json file. Getting the below error,

=== npm audit security report ===

                             Manual Review
         Some vulnerabilities require your attention to resolve

      Visit https://go.npm.me/audit-guide for additional guidance

High Missing Origin Validation

Package webpack-dev-server

Patched in >=3.1.11

Dependency of webpack-dev-server [dev]

Path webpack-dev-server

More info https://nodesecurity.io/advisories/725

found 1 high severity vulnerability in 9192 scanned packages 1 vulnerability requires manual review. See the full report for details.

Please do needful.