error when use command npm install on windows

[Jyoti Rawat]

 npm install -g

module.js:327

    throw err;

    ^

Error: Cannot find module 'semver'

    at Function.Module._resolveFilename (module.js:325:15)

    at Function.Module._load (module.js:276:25)

    at Module.require (module.js:353:17)

    at require (internal/module.js:12:17)

    at Object.<anonymous> (C:\Users\rajeshm\AppData\Roaming\npm\node_modules\npm\lib\utils\unsupported.js:2:14)

    at Module._compile (module.js:409:26)

    at Object.Module._extensions..js (module.js:416:10)

    at Module.load (module.js:343:32)

    at Function.Module._load (module.js:300:12)

    at Module.require (module.js:353:17)

Hi please help me i can't fixed it.

[Michael Lumish]

What version of Node do you have (node --version)? What version of npm do you have (npm --version)? Are you able to install any packages?

Also, installing grpc with the -g flag probably won't do you any good. It's a library, not a command line tool.

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