EPERM: operation not permitted unlink while installing dependencies

Expo Development Tools
1

I started a new project. I use expo init <name>. I chose a blank template. While installing dependencies, it got stuck at extracting react native web. The installation took really long. And then this error appeared. It failed.

12455 verbose stack Error: EPERM: operation not permitted, unlink 'D:\ComputerProjects\School\Com2019-Noteshare\project-noteshare\node_modules\.staging\react-native-bfcd8060\RNTester\RNTesterIntegrationTests\ReferenceImages\RNTester-js-RNTesterApp.ios\testLayoutExample_1-iOS11@2x.png'
12456 verbose cwd D:\ComputerProjects\School\Com2019-Noteshare\project-noteshare
12457 verbose Windows_NT 6.1.7601
12458 verbose argv "C:\\Program Files\\nodejs\\node.exe" "C:\\Program Files\\nodejs\\node_modules\\npm\\bin\\npm-cli.js" "install"
12459 verbose node v10.16.1
12460 verbose npm  v6.9.0
12461 error path D:\ComputerProjects\School\Com2019-Noteshare\project-noteshare\node_modules\.staging\react-native-bfcd8060\RNTester\RNTesterIntegrationTests\ReferenceImages\RNTester-js-RNTesterApp.ios\testLayoutExample_1-iOS11@2x.png
12462 error code EPERM
12463 error errno -4048
12464 error syscall unlink
12465 error Error: EPERM: operation not permitted, unlink 'D:\ComputerProjects\School\Com2019-Noteshare\project-noteshare\node_modules\.staging\react-native-bfcd8060\RNTester\RNTesterIntegrationTests\ReferenceImages\RNTester-js-RNTesterApp.ios\testLayoutExample_1-iOS11@2x.png'
12465 error  { [Error: EPERM: operation not permitted, unlink 'D:\ComputerProjects\School\Com2019-Noteshare\project-noteshare\node_modules\.staging\react-native-bfcd8060\RNTester\RNTesterIntegrationTests\ReferenceImages\RNTester-js-RNTesterApp.ios\testLayoutExample_1-iOS11@2x.png']
12465 error   cause:
12465 error    { Error: EPERM: operation not permitted, unlink 'D:\ComputerProjects\School\Com2019-Noteshare\project-noteshare\node_modules\.staging\react-native-bfcd8060\RNTester\RNTesterIntegrationTests\ReferenceImages\RNTester-js-RNTesterApp.ios\testLayoutExample_1-iOS11@2x.png'
12465 error      errno: -4048,
12465 error      code: 'EPERM',
12465 error      syscall: 'unlink',
12465 error      path:
12465 error       'D:\\ComputerProjects\\School\\Com2019-Noteshare\\project-noteshare\\node_modules\\.staging\\react-native-bfcd8060\\RNTester\\RNTesterIntegrationTests\\ReferenceImages\\RNTester-js-RNTesterApp.ios\\testLayoutExample_1-iOS11@2x.png' },
12465 error   stack:
12465 error    'Error: EPERM: operation not permitted, unlink \'D:\\ComputerProjects\\School\\Com2019-Noteshare\\project-noteshare\\node_modules\\.staging\\react-native-bfcd8060\\RNTester\\RNTesterIntegrationTests\\ReferenceImages\\RNTester-js-RNTesterApp.ios\\testLayoutExample_1-iOS11@2x.png\'',
12465 error   errno: -4048,
12465 error   code: 'EPERM',
12465 error   syscall: 'unlink',
12465 error   path:
12465 error    'D:\\ComputerProjects\\School\\Com2019-Noteshare\\project-noteshare\\node_modules\\.staging\\react-native-bfcd8060\\RNTester\\RNTesterIntegrationTests\\ReferenceImages\\RNTester-js-RNTesterApp.ios\\testLayoutExample_1-iOS11@2x.png' }
12466 error The operation was rejected by your operating system.
12466 error It's possible that the file was already in use (by a text editor or antivirus),
12466 error or that you lack permissions to access it.
12466 error
12466 error If you believe this might be a permissions issue, please double-check the
12466 error permissions of the file and its containing directories, or try running
12466 error the command again as root/Administrator (though this is not recommended).
12467 verbose exit [ -4048, true ]`

I did not open text editor.

I also had a warning before extracting react native web.

npm WARN tarball tarball data for react-native@https://github.com/expo/react-native/archive/sdk-34.0.0.tar.gz (sha512-A9
OfDlTZN9haCCSeX+jq/5HU1b7/0EQNKKJIz0dfYKLCYj1lZAJhoQb1xtGoRaTYKk/fcRwxe/amIYms9mFjAg==) seems to be corrupted. Trying on
e more time.

I looked on the net and I found that this warning was the reason the installation took really long.

I tried to update Node, npm, Expo, clear cache, run as administrator, change folder attribute, disable anti-virus. Nothing worked.

PS. I tried to set up a new project on another machine. It worked. It didn’t work on my machine.

2

I downgraded the packages and the installation worked.

I downgraded to:

"dependencies": {
    "expo": "^33.0.0",
    "react": "16.8.3",
    "react-dom": "^16.8.6",
    "react-native": "https://github.com/expo/react-native/archive/sdk-33.0.0.tar.gz",
    "react-native-web": "^0.11.4",
    "react-navigation": "^2.0.4"
  },
  "devDependencies": {
    "babel-preset-expo": "^5.1.1"
  }

So, something wrong with the new version?

My pc is running Windows 7 64-bit.

3

I don’t think this is Expo-related, more likely that it has something to do with your PC permissions setup

Check out this thread for some possible fixes

4

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