Software⏱️ 3 min read📅 2026-06-19

How to Fix: Continue interrupted download of downthemall? (403 error)

Continue interrupted download of downthemall? (403 error)

Quick Answer: Try using a different browser or clearing the cache to bypass the 24-hour limit.

This issue affects users who are trying to download the Windows 10 ISO file using the Downthemall extension in Mozilla Firefox. The error occurs when the link expires after 24 hours, causing the download to fail with a 403 Forbidden error. This can be frustrating as it prevents users from completing their download and upgrading their operating system.

We understand that this issue can be caused by various factors, including the expiration of the direct download link or issues with the Downthemall extension itself.

🔍 Why This Happens

  • The primary reason for this error is the expiration of the direct download link provided in the original article. This link is only valid for 24 hours and cannot be extended. When the time limit expires, the server returns a 403 Forbidden error to prevent unauthorized access.
  • Alternatively, issues with the Downthemall extension itself can also cause this error. In some cases, the extension may not properly handle the expiration of the direct download link or may have compatibility issues with certain websites.

✅ Best Solutions to Fix It

Continue interrupted download using a proxy server

  1. Step 1: Step 1: Find a reliable proxy server that can bypass the 403 error. You can use services like Proxy.io, Proxify, or HideMyAss.
  2. Step 2: Step 2: Configure Downthemall to use the proxy server for your download. To do this, go to the settings menu in the extension, select 'Advanced', and then click on 'Proxy Settings'. Enter the proxy server URL and port number into the fields provided.
  3. Step 3: Step 3: Restart the download using the proxy server configuration. This should allow you to continue the interrupted download and complete it successfully.

Use a mirror link for the direct download

  1. Step 1: Step 1: Look up alternative direct download links for Windows 10 ISO file from reliable sources such as Microsoft's official website or other trusted tech websites.
  2. Step 2: Step 2: Use Downthemall to download the ISO file using one of the mirror links. This should allow you to bypass the expired link and complete the download.

💡 Conclusion

In summary, if you are experiencing a 403 error when trying to download the Windows 10 ISO file using Downthemall, try using a proxy server or finding an alternative direct download link. If neither of these methods work, please contact Mozilla support for further assistance.

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