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Hi Roberto Sanchez,
The message you’re seeing usually indicates that the ISO download request was interrupted or that the Insider Preview build you’re targeting has been moved or retired from the Insider program. When a build is deprecated, the associated ISO links can fail with errors like the one you shared.
To resolve this, the first step is to confirm that your Insider enrollment is active and that your tenant is opted into the correct channel (Dev, Beta, or Canary). Only devices and accounts registered in the appropriate channel will see the latest ISO download options. Next, check the Windows Insider Preview Downloads page in the Microsoft portal, if the build has been moved, the ISO will only be available under its new channel designation.
If you continue to see errors, clearing cached credentials and re‑authenticating with your Insider account often helps. It’s also worth verifying that your Insider license is still valid and that you’re using the latest Microsoft Edge or another supported browser to initiate the download.
Give this a try and let me know how it goes. If this explanation helps clarify what’s happening and how to proceed, please hit “accept answer” so I know your issue has been addressed.
Jason.