'React keeps aborting installation when I try the tutorial

I was trying to follow the tutorial on the react website today but for whatever reason it doesnt want to work for me when i run the command:

npx create-react-app my-app

`I get the following error message;

Creating a new React app in D:\NodeJs\react\my-app.

Installing packages. This might take a couple of minutes.
Installing react, react-dom, and react-scripts...


npm ERR! code ETARGET
npm ERR! notarget No matching version found for postcss@^7.0.11
npm ERR! notarget In most cases you or one of your dependencies are requesting
npm ERR! notarget a package version that doesn't exist.
npm ERR! notarget
npm ERR! notarget It was specified as a dependency of 'autoprefixer'
npm ERR! notarget

npm ERR! A complete log of this run can be found in:
npm ERR!     C:\Users\matth\AppData\Roaming\npm-cache\_logs\2019-01- 
12T17_55_39_805Z-debug.log

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

Deleting generated file... package.json
Deleting my-app/ from D:\NodeJs\react
Done.`

My npm version is 6.5.0 and Node is 11.6.0

Not sure what the heck is going on as when I did this on my work laptop it worked without any issues with the exact same versions of node and npm



Solution 1:[1]

I was fix problem when I error create-react-app

Err: code ERR_SOCKET_TIMEOUT
npm ERR! network Socket timeout
npm ERR! network This is a problem related to network connectivity.
npm ERR! network In most cases you are behind a proxy or have bad network settings.
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! A complete log of this run can be found in:

I had rename file .npmrc --> .npmrc-old

 C:\Users\you\.npmrc

And I success >>> I feel porfect

Solution 2:[2]

Just an update for everyone. It worked now. All I did was reinstall nodejs for the 4th time, nothing else. Makes 0 sense. anyways, thanks for your answers, appreciate it.

Solution 3:[3]

I also got a same error.

Try to run npm cache clean --force after that just run create-react-app

Definitely It will work

Sources

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Source: Stack Overflow

Solution Source
Solution 1 Pham Nhut
Solution 2 noobcoderiam
Solution 3 vivek