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Not able to install bower using npm

I have Node.js installed on my system (v0.10.26) and I am trying to install the bower package manager. But I am not able to install. I keep getting an error. I placed my npm-debug.txt with jsfiddle for your reference.

Here is the error that I am getting:

D:\mySite>npm install bower
npm http GET https://registry.npmjs.org/bower
npm http GET https://registry.npmjs.org/bower
npm http GET https://registry.npmjs.org/bower
npm http GET https://registry.npmjs.org/insight
npm http GET https://registry.npmjs.org/is-root
npm http GET https://registry.npmjs.org/cardinal
npm http GET https://registry.npmjs.org/bower-registry-client
npm http GET https://registry.npmjs.org/chmodr
npm http GET https://registry.npmjs.org/lru-cache
npm http GET https://registry.npmjs.org/fstream-ignore
npm http GET https://registry.npmjs.org/junk
npm http GET https://registry.npmjs.org/mkdirp
npm http GET https://registry.npmjs.org/chalk
npm http GET https://registry.npmjs.org/decompress-zip
npm http GET https://registry.npmjs.org/mout
npm http GET https://registry.npmjs.org/fstream
npm http GET https://registry.npmjs.org/nopt
npm http GET https://registry.npmjs.org/opn
npm http GET https://registry.npmjs.org/graceful-fs
npm http GET https://registry.npmjs.org/osenv
npm http GET https://registry.npmjs.org/handlebars
npm http GET https://registry.npmjs.org/request
npm http GET https://registry.npmjs.org/q
npm http GET https://registry.npmjs.org/promptly
npm http GET https://registry.npmjs.org/p-throttler
npm http GET https://registry.npmjs.org/request-progress
npm http GET https://registry.npmjs.org/retry
npm http GET https://registry.npmjs.org/lockfile
npm http GET https://registry.npmjs.org/rimraf
npm http GET https://registry.npmjs.org/stringify-object
npm http GET https://registry.npmjs.org/shell-quote
npm http GET https://registry.npmjs.org/tar
npm http GET https://registry.npmjs.org/tmp
npm http GET https://registry.npmjs.org/update-notifier
npm http GET https://registry.npmjs.org/which
npm http GET https://registry.npmjs.org/bower-config
npm http GET https://registry.npmjs.org/inquirer
npm http GET https://registry.npmjs.org/archy
npm http GET https://registry.npmjs.org/bower-endpoint-parser
npm http GET https://registry.npmjs.org/semver
npm http GET https://registry.npmjs.org/abbrev
npm http GET https://registry.npmjs.org/bower-json
npm http GET https://registry.npmjs.org/glob
npm http GET https://registry.npmjs.org/bower-logger
npm http GET https://registry.npmjs.org/cardinal
npm http GET https://registry.npmjs.org/fstream
npm http GET https://registry.npmjs.org/lru-cache
npm http GET https://registry.npmjs.org/glob
npm http GET https://registry.npmjs.org/bower-config
npm http GET https://registry.npmjs.org/promptly
npm http GET https://registry.npmjs.org/update-notifier
npm http GET https://registry.npmjs.org/chmodr
npm http GET https://registry.npmjs.org/archy
npm http GET https://registry.npmjs.org/lockfile
npm http GET https://registry.npmjs.org/mout
npm http GET https://registry.npmjs.org/is-root
npm http GET https://registry.npmjs.org/rimraf
npm http GET https://registry.npmjs.org/bower-json
npm http GET https://registry.npmjs.org/handlebars
npm http GET https://registry.npmjs.org/graceful-fs
npm http GET https://registry.npmjs.org/request
npm http GET https://registry.npmjs.org/opn
npm http GET https://registry.npmjs.org/shell-quote
npm http GET https://registry.npmjs.org/abbrev
npm http GET https://registry.npmjs.org/tmp
npm http GET https://registry.npmjs.org/which
npm http GET https://registry.npmjs.org/q
npm http GET https://registry.npmjs.org/request-progress
npm http GET https://registry.npmjs.org/osenv
npm http GET https://registry.npmjs.org/p-throttler
npm http GET https://registry.npmjs.org/stringify-object
npm http GET https://registry.npmjs.org/bower-endpoint-parser
npm http GET https://registry.npmjs.org/junk
npm http GET https://registry.npmjs.org/retry
npm http GET https://registry.npmjs.org/tar
npm http GET https://registry.npmjs.org/bower-logger
npm http GET https://registry.npmjs.org/inquirer
npm http GET https://registry.npmjs.org/semver
npm http GET https://registry.npmjs.org/nopt
npm http GET https://registry.npmjs.org/chalk
npm http GET https://registry.npmjs.org/bower-registry-client
npm http GET https://registry.npmjs.org/decompress-zip
npm http GET https://registry.npmjs.org/insight
npm http GET https://registry.npmjs.org/fstream-ignore
npm http GET https://registry.npmjs.org/mkdirp
npm http GET https://registry.npmjs.org/cardinal
npm http GET https://registry.npmjs.org/lru-cache
npm http GET https://registry.npmjs.org/fstream
npm http GET https://registry.npmjs.org/bower-config
npm http GET https://registry.npmjs.org/glob
npm http GET https://registry.npmjs.org/lockfile
npm http GET https://registry.npmjs.org/promptly
npm http GET https://registry.npmjs.org/chmodr
npm http GET https://registry.npmjs.org/mout
npm http GET https://registry.npmjs.org/update-notifier
npm http GET https://registry.npmjs.org/handlebars
npm http GET https://registry.npmjs.org/which
npm http GET https://registry.npmjs.org/shell-quote
npm http GET https://registry.npmjs.org/inquirer
npm http GET https://registry.npmjs.org/osenv
npm http GET https://registry.npmjs.org/tmp
npm http GET https://registry.npmjs.org/opn
npm http GET https://registry.npmjs.org/p-throttler
npm http GET https://registry.npmjs.org/bower-logger
npm http GET https://registry.npmjs.org/q
npm http GET https://registry.npmjs.org/bower-json
npm http GET https://registry.npmjs.org/abbrev
npm http GET https://registry.npmjs.org/bower-endpoint-parser
npm http GET https://registry.npmjs.org/request
npm http GET https://registry.npmjs.org/graceful-fs
npm http GET https://registry.npmjs.org/tar
npm http GET https://registry.npmjs.org/request-progress
npm http GET https://registry.npmjs.org/stringify-object
npm http GET https://registry.npmjs.org/junk
npm http GET https://registry.npmjs.org/retry
npm http GET https://registry.npmjs.org/nopt
npm http GET https://registry.npmjs.org/semver
npm ERR! Failed to parse json
npm ERR! Unexpected token
npm ERR! File: C:\Users\mb112830\AppData\Roaming\npm-cache\update-noti
\package\package.json
npm ERR! Failed to parse package.json data.
npm ERR! package.json must be actual JSON, not just JavaScript.
npm ERR!
npm ERR! This is not a bug in npm.
npm ERR! Tell the package author to fix their package.json file. JSON.

npm ERR! System Windows_NT 6.1.7601
npm ERR! command "C:\\Program Files\\nodejs\\\\node.exe" "C:\\Program
ejs\\node_modules\\npm\\bin\\npm-cli.js" "install" "bower"
npm ERR! cwd D:\mySite
npm ERR! node -v v0.10.26
npm ERR! npm -v 1.4.3
npm ERR! file C:\Users\mb112830\AppData\Roaming\npm-cache\update-notif
package\package.json
npm ERR! code EJSONPARSE
npm http GET https://registry.npmjs.org/is-root
npm http GET https://registry.npmjs.org/rimraf
npm http GET https://registry.npmjs.org/archy
npm http GET https://registry.npmjs.org/decompress-zip
npm http GET https://registry.npmjs.org/mkdirp
npm http GET https://registry.npmjs.org/bower-registry-client
npm http GET https://registry.npmjs.org/insight
npm http GET https://registry.npmjs.org/chalk
npm http GET https://registry.npmjs.org/fstream-ignore
npm ERR!
npm ERR! Additional logging details can be found in:
npm ERR!     D:\mySite\npm-debug.log
npm ERR! not ok code 0

Please find the jsfiddle link for log here .

I also cleaned my npm cache and tried again, but this time I got this error:

npm ERR! network tunneling socket could not be established, cause=Parse Error
npm ERR! network This is most likely not a problem with npm itself
npm ERR! network and is related to network connectivity.
npm ERR! network In most cases you are behind a proxy or have bad network settin
gs.
npm ERR! network
npm ERR! network If you are behind a proxy, please make sure that the
npm ERR! network 'proxy' config is set properly.  See: 'npm help config'

npm ERR! System Windows_NT 6.1.7601
npm ERR! command "C:\\Program Files\\nodejs\\\\node.exe" "C:\\Program Files\\nod
ejs\\node_modules\\npm\\bin\\npm-cli.js" "install" "bower"
npm ERR! cwd D:\bower
npm ERR! node -v v0.10.26
npm ERR! npm -v 1.4.3
npm ERR! code ECONNRESET
npm ERR!
npm ERR! Additional logging details can be found in:
npm ERR!     D:\bower\npm-debug.log
npm ERR! not ok code 0

How can I fix this?

The is you have to specify the path to which bower should be installed. The path should be added either in your zshrc file or your bashrc file like this.

export PATH =/usr/local/lib/node_modules/:$PATH 

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