cannot install karma

[renukasethi]

I am trying to install karma on windows and I am getting the error below

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   'install',
1 verbose cli   'karma' ]
2 info using npm@2.15.8
3 info using node@v4.4.7
4 verbose install initial load of H:\package.json
5 verbose readDependencies loading dependencies from H:\package.json
6 silly cache add args [ 'karma', null ]
7 verbose cache add spec karma
8 silly cache add parsed spec Result {
8 silly cache add   raw: 'karma',
8 silly cache add   scope: null,
8 silly cache add   name: 'karma',
8 silly cache add   rawSpec: '',
8 silly cache add   spec: 'latest',
8 silly cache add   type: 'tag' }
9 silly addNamed karma@latest
10 verbose addNamed "latest" is being treated as a dist-tag for karma
11 info addNameTag [ 'karma', 'latest' ]
12 silly mapToRegistry name karma
13 silly mapToRegistry using default registry
14 silly mapToRegistry registry https://registry.npmjs.org/
15 silly mapToRegistry data Result {
15 silly mapToRegistry   raw: 'karma',
15 silly mapToRegistry   scope: null,
15 silly mapToRegistry   name: 'karma',
15 silly mapToRegistry   rawSpec: '',
15 silly mapToRegistry   spec: 'latest',
15 silly mapToRegistry   type: 'tag' }
16 silly mapToRegistry uri https://registry.npmjs.org/karma
17 verbose addNameTag registry:https://registry.npmjs.org/karma not in flight; fetching
18 verbose request uri https://registry.npmjs.org/karma
19 verbose request no auth needed
20 info attempt registry request try #1 at 9:17:14 AM
21 verbose request id 30839544747f7003
22 http request GET https://registry.npmjs.org/karma
23 info retry will retry, error on last attempt: Error: self signed certificate in certificate chain
24 info attempt registry request try #2 at 9:17:24 AM
25 http request GET https://registry.npmjs.org/karma
26 info retry will retry, error on last attempt: Error: self signed certificate in certificate chain
27 info attempt registry request try #3 at 9:18:24 AM
28 http request GET https://registry.npmjs.org/karma
29 verbose stack Error: self signed certificate in certificate chain
29 verbose stack     at Error (native)
29 verbose stack     at TLSSocket.<anonymous> (_tls_wrap.js:1017:38)
29 verbose stack     at emitNone (events.js:67:13)
29 verbose stack     at TLSSocket.emit (events.js:166:7)
29 verbose stack     at TLSSocket._init.ssl.onclienthello.ssl.oncertcb.TLSSocket._finishInit (_tls_wrap.js:582:8)
29 verbose stack     at TLSWrap.ssl.onclienthello.ssl.oncertcb.ssl.onnewsession.ssl.onhandshakedone (_tls_wrap.js:424:38)
30 verbose cwd H:\
31 error Windows_NT 6.1.7601
32 error argv "C:\\Program Files\\nodejs\\node.exe" "C:\\Program Files\\nodejs\\node_modules\\npm\\bin\\npm-cli.js" "install" "karma"
33 error node v4.4.7
34 error npm  v2.15.8
35 error code SELF_SIGNED_CERT_IN_CHAIN
36 error self signed certificate in certificate chain
37 error If you need help, you may report this error at:
37 error     <https://github.com/npm/npm/issues>
38 verbose exit [ 1, true ]

[legodude17]

This is saying you have a self-signed certificate in your certificate chain. If you have one, please remove it, if not, please tell me that.

[npm-robot]

We're closing this support issue as it has gone three days without activity. The npm CLI team itself does not provide support via this issue tracker, but we are happy when users help each other here. In our experience once a support issue goes dormant it's unlikely to get further activity. If you're still having problems, you may be better served by joining package.community and asking your question there.

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