Sometimes a corrupted download stays in your local cache, causing every subsequent attempt to fail. composer clear-cache Use code with caution. After clearing, try composer install again. 4. Adjusting the Timeout
Sometimes your network tries to use IPv6 to reach GitHub or Packagist, but the connection is unstable. composer failed to download from dist
If your PHP installation can't verify the SSL certificate of the download server, it will kill the connection. Sometimes a corrupted download stays in your local
Composer needs a way to extract the "dist" ZIP files. If unzip (Linux/Mac) or 7z isn't installed, the download fails after it technically finishes. Ubuntu/Debian: sudo apt-get install unzip CentOS/Fedora: sudo yum install unzip composer failed to download from dist