npm error while installing express in nodejs - node.js

Question

I am facing a problem while npm install express. Unexpected end of JSON input while parsing near '..."dist":{"shasum":"e84' this is the erroe i am getting.
> 0 info it worked if it ends with ok
> 1 verbose cli [ 'D:\\Program Files\\nodejs\\node.exe',
> 1 verbose cli 'C:\\Users\\Rakshith Rakshak\\AppData\\Roaming\\npm\\node_modules\\npm\\bin\\npm-cli.js',
> 1 verbose cli 'install',
> 1 verbose cli '-g',
> 1 verbose cli 'express' ]
> 2 info using npm#6.9.2
> 3 info using node#v10.15.3
> 4 verbose npm-session 203510227a9454ec
> 5 silly install loadCurrentTree
> 6 silly install readGlobalPackageData
> 7 http fetch GET 304 https://registry.npmjs.org/express 346ms (from cache)
> 8 silly fetchPackageMetaData error for express#latest Unexpected end of JSON input while parsing near
> '..."dist":{"shasum":"e84'
> 9 timing stage:rollbackFailedOptional Completed in 1ms
> 10 timing stage:runTopLevelLifecycles Completed in 417ms
> 11 verbose stack SyntaxError: Unexpected end of JSON input while parsing near '..."dist":{"shasum":"e84'
> 11 verbose stack at JSON.parse (<anonymous>)
> 11 verbose stack at parseJson (C:\Users\Rakshith Rakshak\AppData\Roaming\npm\node_modules\npm\node_modules\json-parse-better-errors\index.js:7:17)
> 11 verbose stack at consumeBody.call.then.buffer (C:\Users\Rakshith
> Rakshak\AppData\Roaming\npm\node_modules\npm\node_modules\node-fetch-npm\src\body.js:96:50)
> 11 verbose stack at process._tickCallback (internal/process/next_tick.js:68:7)
> 12 verbose cwd D:\My Files\node\role-based-auth
> 13 verbose Windows_NT 10.0.18362
> 14 verbose argv "D:\\Program Files\\nodejs\\node.exe" "C:\\Users\\Rakshith
> Rakshak\\AppData\\Roaming\\npm\\node_modules\\npm\\bin\\npm-cli.js"
> "install" "-g" "express"
> 15 verbose node v10.15.3
> 16 verbose npm v6.9.2
> 17 error Unexpected end of JSON input while parsing near '..."dist":{"shasum":"e84'
> 18 verbose exit [ 1, true ]

Answer 1

Clear NPM cache and try installing 'Express' again. Run Below command
npm cache clean --force
then install express
npm install express