Software⏱️ 3 min read📅 2026-06-03

How to Fix: On npm install: Unhandled rejection Error: EACCES: permission denied

Error resolving npm permissions issue.

Quick Answer: Try running `sudo npm install` to elevate privileges and resolve the permission denied error.

📋 Table of Contents

  1. 🔍 Why This Happens
  2. 🔧 Proven Troubleshooting Steps
  3. 💡 Conclusion

The 'Unhandled rejection Error: EACCES: permission denied' error occurs when npm is unable to access a file due to lack of necessary permissions. This issue affects users who have corrupted their npm install or have misconfigured their system settings.

This error can be frustrating as it prevents users from installing packages using npm, which is a crucial tool for many development tasks. However, with the right troubleshooting steps, you can resolve this issue and get your npm install working again.

🔍 Why This Happens

  • The primary reason for this error is that npm is trying to access a file in the cache directory, but it does not have the necessary permissions. This can happen when the user's system settings are not configured correctly or if the cache directory is corrupted.
  • Another possible cause of this error is that the user's npm configuration is misconfigured, which can prevent npm from accessing certain files and directories.

🔧 Proven Troubleshooting Steps

Relocating the npm Cache Directory

  1. Step 1: To fix this issue, you need to relocate your npm cache directory. Open a terminal and run the following command: `npm config delete cache` This will remove the current cache directory.
  2. Step 2: Next, navigate to the location where you want to store the new cache directory. For example, if you want to store it in your home directory, use the following command: `mkdir -p ~/.npm/cache` If the directory already exists, you can skip this step.
  3. Step 3: Finally, run the following command to update the npm configuration to point to the new cache directory: `npm config set cache /path/to/new/cache/directory` Replace `/path/to/new/cache/directory` with the actual path where you want to store the new cache directory.

Reinstalling Node and npm

  1. Step 1: Another way to fix this issue is to reinstall node and npm. Open a terminal and run the following command: `brew uninstall node` (for macOS users) or `sudo apt-get purge nodejs` (for Linux users).
  2. Step 2: Next, download the latest version of node from the official website and follow the installation instructions. Once installed, run the following command to reinstall npm: `npm install -g npm@latest` This will update npm to the latest version.

💡 Conclusion

By following these troubleshooting steps, you should be able to resolve the 'Unhandled rejection Error: EACCES: permission denied' issue and get your npm install working again. If you are still experiencing issues, try relocating your npm cache directory or reinstalling node and npm.

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