The most frequent complaint is clicking a Tango group link only to see “This link has expired” or “The group does not exist.” Here’s how to fix it:
If you click a link and receive an "Expired Link" or "Invalid Link" message, the group administrator has likely changed the invite URL.
Tango can implement digital rights management (DRM) protections to block screen-recording software on their app. 4. Remove Malicious "Mod" Applications