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according to Reactjs docs :

Youโ€™ll need to have Node >= 8.10 and npm >= 5.6 on your machine. To create a project, run:

npx create-react-app my-app

which my env meet it:

AymanMorsy@DESKTOP-6V4567D MINGW64 /g/reactprojects
$ node --version && npm --version ๐Ÿ‘ˆ๐Ÿ‘ˆ
v12.16.0 ๐Ÿ‘ˆ๐Ÿ‘ˆ
6.13.4 ๐Ÿ‘ˆ๐Ÿ‘ˆ

AymanMorsy@DESKTOP-6V4567D MINGW64 /g/reactprojects
$ npx create-react-app my-app
npx: installed 99 in 17.908s

Creating a new React app in G:\reactprojects\my-app.

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

npm ERR! code E404
npm ERR! 404 Not Found - GET https://registry.npmjs.org/error-ex/-/error-ex-1.3.2.tgz
npm ERR! 404
npm ERR! 404  'error-ex@^1.3.1' is not in the npm registry.
npm ERR! 404 You should bug the author to publish it (or use the name yourself!)
npm ERR! 404 It was specified as a dependency of 'parse-json'
npm ERR! 404
npm ERR! 404 Note that you can also install from a
npm ERR! 404 tarball, folder, http url, or git url.

npm ERR! A complete log of this run can be found in:
npm ERR!     C:\Users\AymanMorsy\AppData\Roaming\npm-cache\_logs\2020-02-12T21_29_30_123Z-debug.log

Aborting installation. ๐Ÿšจ๐Ÿšจ๐Ÿšจ
  npm install --save --save-exact --loglevel error react react-dom react-scripts cra-template has failed.

Deleting generated file... package.json
Deleting my-app/ from G:\reactprojects
Done.

I tried solutions on Create React App not installing, showing an error and aborting installation

finally I formated C and installed latest update of windows10 and still see the same problem

edite: output of npm config list

$ npm config list
; cli configs
metrics-registry = "https://registry.npmjs.org/"
scope = ""
user-agent = "npm/6.13.4 node/v12.16.0 win32 x64"

; builtin config undefined
prefix = "C:\\Users\\AymanMorsy\\AppData\\Roaming\\npm"

; node bin location = C:\Program Files\nodejs\node.exe
; cwd = G:\reactprojects
; HOME = C:\Users\AymanMorsy
; "npm config ls -l" to show all defaults.
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5
  • What does npm config list output? Commented Feb 12, 2020 at 21:48
  • @evolutionxbox I added it in question now. Commented Feb 12, 2020 at 21:52
  • 1
    This might be an issue directly with npm status.npmjs.org Commented Feb 12, 2020 at 21:53
  • I see 404 Errors with Certain Packages when visiting this link :( Commented Feb 12, 2020 at 21:59
  • Indeed. This is why I posted it. Commented Feb 12, 2020 at 22:00

4 Answers 4

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1

Looks like https://registry.npmjs.org/error-ex is down for some regions

It will be soon up

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solution for this following โคต Install Scoop and then install yarn and then do yarn create-react-app myapp100% work definitely

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In my case, antivirus was stopping some of the modules from being accesses. Turned it off, also installed yarn. Works fine

  1. Stop Antivirus momentarily.

  2. npm install -g yarn

  3. yarn global add create-react-app

  4. npx create-react-app my-app

  5. Start Antivirus

Although I feel that yarn is not mandatory to solve this issue in my case - I prefer yarn. Hoping this helps someone out there.

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I encountered the same issue. I am using windows 11 and I solved the problem by DISABLING ANTIVIRUS - windows defender and the installation was successful. Try disabling your antivirus, run the installation, then enable your antivirus later. Hope it helps

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