kinly help npm install on ionic v 3.4.0

ionic

npm ERR! git clone
        C:\Users\Larry\AppData\Roaming\npm-cache\_git-remotes\git-github-com-resin-io-bonjour-git-d75da30c
        C:\Users\Larry\AppData\Local\Temp\npm-6240-db2c6cf4\git-cache-b54bb684\31d080cee1d8a4b74e03818aaee14da8062f0ea1:        Cloning into
        'C:\Users\Larry\AppData\Local\Temp\npm-6240-db2c6cf4\git-cache-b54bb684\31d080cee1d8a4b74e03818aaee14da8062f0ea1'...
        npm ERR! git clone
        C:\Users\Larry\AppData\Roaming\npm-cache\_git-remotes\git-github-com-resin-io-bonjour-git-d75da30c
        C:\Users\Larry\AppData\Local\Temp\npm-6240-db2c6cf4\git-cache-b54bb684\31d080cee1d8a4b74e03818aaee14da8062f0ea1:        error: cannot spawn sh: No such file or directory
        npm ERR! git clone
        C:\Users\Larry\AppData\Roaming\npm-cache\_git-remotes\git-github-com-resin-io-bonjour-git-d75da30c
        C:\Users\Larry\AppData\Local\Temp\npm-6240-db2c6cf4\git-cache-b54bb684\31d080cee1d8a4b74e03818aaee14da8062f0ea1:        fatal: unable to fork
        npm ERR! git clone
        C:\Users\Larry\AppData\Roaming\npm-cache\_git-remotes\git-github-com-resin-io-bonjour-git-d75da30c
        C:\Users\Larry\AppData\Local\Temp\npm-6240-db2c6cf4\git-cache-b54bb684\31d080cee1d8a4b74e03818aaee14da8062f0ea1:
        npm ERR! git fetch -a origin (https://github.com/resin-io/bonjour.git) fatal: Unable to find remote helper for
        'https'
        npm WARN addRemoteGit Error: Command failed: git -c core.longpaths=true config --get remote.origin.url
        npm WARN addRemoteGit
        npm WARN addRemoteGit     at ChildProcess.exithandler (child_process.js:204:12)
        npm WARN addRemoteGit     at emitTwo (events.js:106:13)
        npm WARN addRemoteGit     at ChildProcess.emit (events.js:191:7)
        npm WARN addRemoteGit     at maybeClose (internal/child_process.js:891:16)
        npm WARN addRemoteGit     at Process.ChildProcess._handle.onexit (internal/child_process.js:226:5)
        npm WARN addRemoteGit  resin-io/bonjour resetting remote
        C:\Users\Larry\AppData\Roaming\npm-cache\_git-remotes\git-github-com-resin-io-bonjour-git-41f67eef because of
        error: { Error: Command failed: git -c core.longpaths=true config --get remote.origin.url