416

416 Range Not Satisfiable Error

Category: HTTP Errors | Platforms: apache nginx

What This Error Means

The 416 Range Not Satisfiable error indicates that the server cannot serve the requested byte range of the file. This usually happens when a client asks for a portion of a file that goes beyond the file's actual size.

Common Causes

  • Resuming a paused download where the file has changed or shrunk on the server.
  • Download managers requesting invalid ranges.
  • Server file corruption.

How to Fix It (For Users)

  1. 1 Restart the download from the beginning instead of resuming.
  2. 2 Disable download managers.
  3. 3 Clear your browser cache.

For Site Owners / Developers

  1. Ensure your server supports byte-range requests correctly.
  2. Check if the file being requested is valid and has not been truncated.
  3. Verify that your compression settings (gzip/brotli) are not interfering with range requests.

When It Is NOT Your Fault

If the file on the server changed while you were downloading it.

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