Compare manually the checksum of your download with [[the checksum of our images|install/v2/Tails/amd64/stable/latest.json]].In Tails, you can install <a href="https://gtkhash.org/"><i>GtkHash</i></a> as [[Additional Software|doc/persistent_storage/additional_software]]
The verification also fails if you try to verify a different download than the latest version, Tails [[!inline pages="inc/stable_amd64_version" raw="yes" sort="age"]].