npm encountered an issue: EPERM error - the operation is not permitted and cannot unlink the file

  • Operating System: Windows 10.
  • NPM Version: 6.9.0
  • Node Version: 12.4.0

I am currently developing an Expo application. I am attempting to install all the necessary packages for my Expo application using 'npm install'. However, I encountered an error:

17254 error [OperationalError: EPERM: operation not permitted, unlink ...
I have searched for solutions to this error but none seem to address my specific issue.

I have already attempted the following troubleshooting steps:

  1. Running my terminal as an administrator.
  2. Executing 'npm config set safe-perm=true'.
  3. Using 'npm install --no-bin-links' command.
  4. Clearing the npm cache with 'npm cache clear --force'.

Here is an example of the error message I encountered:

17254 error cause: [Error: EPERM: operation not permitted, unlink 'C:\Users\Thomas\Desktop\someDirectory\someDirectory\someDirectory\someDirectory\node_modules\.staging\react-native-99ed309f\Libraries\Renderer\oss\ReactFabric-dev.js'] {
17254 error errno: -4048,
17254 error code: 'EPERM',
17254 error syscall: 'unlink',
17254 error path: 'C:\\Users\\Thomas\\Desktop\\someDirectory\\someDirectory\\someDirectory\\someDirectory\\node_modules\\.staging\\react-native-99ed309f\\Libraries\\Renderer\\oss\\ReactFabric-dev.js'
17254 error },
17254 error stack: 'Error: EPERM: operation not permitted, unlink ' +
17254 error "'C:\\Users\\Thomas\\Desktop\\someDirectory\\someDirectory\\someDirectory\\someDirectory\\node_modules\\.staging\\react-native-99ed309f\\Libraries\\Renderer\\oss\\ReactFabric-dev.js'",
17254 error errno: -4048,
17254 error code: 'EPERM',
17254 error syscall: 'unlink',
17254 error path: 'C:\\Users\\Thomas\\Desktop\\someDirectory\\someDirectory\\someDirectory\\someDirectory\\node_modules\\.staging\\react-native-99ed309f\\Libraries\\Renderer\\oss\\ReactFabric-dev.js'
17254 error }
17255 error The operation was rejected by your operating system.
17255 error It's possible that the file was already in use (by a text editor or antivirus),
17255 error or that you lack permissions to access it.
17255 error
17255 error If you believe this might be a permissions issue, please double-check the
17255 error permissions of the file and its containing directories, or try running
17255 error the command again as root/Administrator (though this is not recommended).
17256 verbose exit [-4048, true]
javascriptwindowsnpmexpo

Answer №1

Ensure that no other node instance using ReactFabric-dev.js is running before proceeding. If there is, terminate it and try again. Additionally, consider relocating your project to a directory closer to the root folder as Windows can sometimes have issues with excessively long file paths.

Answer №2

Resolved the issue by accessing npmjs through my account: npm login

Alternatively,

You can uninstall all npm modules and reinstall them using npm install --no-bin-links

Another option is to delete the following directories:

rd /s /q C:\Users\foo\AppData\Roaming\npm-cache
rd /s /q C:\Users\foo\AppData\Roaming\npm

Answer №3

Here is the solution I found:

  1. Removed the node_modules directory;

  2. Launched Visual Studio Code with admin privileges;

  3. Executed the following commands in the terminal:

    npm cache clean --force

    npm install

Answer №4

I encountered an error message recently, and in order to resolve it, I followed these steps:

1) Added my project folder to the Windows Defender exclusions list.

2) Deleted the node_modules folder.

3) Executed the following command:

npm install

Answer №5

One method to get started is by installing it globally right away. You can achieve this by running the following command:

  • npm install -g create-react-app

After that, you are all set to create your app using this command:

  • npx create-react-app <Name_of_your_app>

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