Terabox links can expire if not accessed regularly or if the original uploader deletes their account. An "updated" link has been tested and confirmed active within the last 7 days.
Even with "updated" links, do a quick sanity check:
Terabox’s system automatically flags and removes files that violate copyright or are shared too frequently. As a result, “updated” versions appear regularly — often with slight modifications (renamed folders, compressed formats, or new account shares) to bypass automatic detection.