A share link that no longer opens always tells you which of a handful of states it is in. Here is how to read them — and what to do in each case.
"This share has expired"
The link had an expiry and its time ran out, or the shared content itself is gone. What to do: ask the sender for a fresh link — if they still have the file (expiry never deletes files), re-sharing takes seconds.
"Share not found"
The address answers with the branded not-found page. Typical causes: a typo in a hand-copied link, a custom slug that has since been renamed, or a link the owner revoked. What to do: re-copy the link from the original message; if it still fails, ask the sender — only they can tell whether it was revoked.
"This content is not available"
The share was restricted following a legal report, pending review. Recipients cannot do anything here; the owner is notified by email with the steps to dispute — see Reporting content.
A password prompt
Not an error: the share is password-protected. The password comes from the sender, never from FileMv. Five wrong attempts in quick succession block further tries for a while.
"Too many requests"
Heavy repeated loading from one network trips a temporary rate limit. Wait a minute and reload.
For owners: diagnosing your own link
Open the file's share dialog in your Drive. It shows whether the share is live, its expiry, its password state and the current link — and everything can be fixed right there, from extending the expiry to minting a new share.