create-react-app eintegrity error windows

Question

I got these error when i started creating react app in my windows 10 pc. Please help me to fix this.

PS F:\> npm install -g create-react-app
C:\Users\Harshit Singh\AppData\Roaming\npm\create-react-app -> C:\Users\Harshit Singh\AppData\Roaming\npm\node_modules\create-react-app\ind
ex.js
+ [email protected]
updated 1 package in 24.169s
PS F:\> create-react-app my-app

Creating a new React app in F:\my-app.

Installing packages. This might take a couple of minutes.
Installing react, react-dom, and react-scripts...
npm ERR! code EINTEGRITY
npm ERR! sha1-IeCr+vbyApzy+vsTNWenAdQTVSQ= integrity checksum failed when using sha1: wanted sha1-IeCr+vbyApzy+vsTNWenAdQTVSQ= but got sha1
-reRBygSiSrbV6gYVeXXD3kFgUvo=. (5518 bytes)

npm ERR! A complete log of this run can be found in:
npm ERR!     C:\Users\Harshit Singh\AppData\Roaming\npm-cache\_logs\2017-09-10T06_11_12_677Z-debug.log

Aborting installation.
npm install --save --save-exact --loglevel error react react-dom react-scripts has failed.

Deleting generated file... node_modules
Deleting generated file... package.json
Deleting my-app / from F:\
Done.

Answer 1

Try: npm cache verify

Or update npm : npm i -g npm

Answer 2

Check this github issue for a possible solution.

Deleting npm and npm-cache folders in Users%username%\AppData\Roaming (windows 7) and running npm install fixed it for me