Why a download fails and how to fix it

A public link is not always an accessible link

Some platforms show a URL publicly while still requiring a session, a region or a particular post state to serve the actual file. Two links that look identical can behave very differently on the same day.

The four usual causes

• The post is private, deleted, follower-only or unavailable in your region.
• The URL is truncated, shortened by a third-party redirector, or carries extra text pasted along with it.
• The source platform or the processing service is having a bad moment. This one usually fixes itself.
• The format or resolution you picked does not exist for that specific video.

What to check, in order

1. Open the original link in a private browser window. If it does not load there, no downloader can reach it either.
2. Paste the full URL on its own, with no surrounding text and no unfamiliar redirector in the middle.
3. Try a simpler combination: a lower resolution, or MP3 instead of video, to isolate whether the problem is the format.
4. Wait a few minutes and retry. Timeouts and instability on the source side are common and short-lived.

When it is worth reporting

If the link is public, the platform is supported and the failure repeats across attempts, send the URL through the contact page. That is what separates a passing outage from a real regression worth fixing.