Autodata utilizes a copy protection system that traditionally requires a physical hardware key (a USB dongle) or a specific software emulation driver (like Sentinel or Hasp) to run.
When a user installs a "repack" version, the intention is usually to bypass this hardware requirement. The error occurs due to one of the following conflicts: The software stores a unique fingerprint of the
AutoData, like many professional technical information systems, uses a physical USB dongle (hardware key) as a license authenticator. The software stores a unique fingerprint of the authorized dongle during installation or first run. The error message specifically means: Without access to the original vendor, the only
Error 345 indicates that the AutoData software’s security system has detected a change in the computer’s core hardware identity relative to the dongle’s stored signature. The required “repack” is a vendor-controlled license update. Without access to the original vendor, the only reliable fix is restoring the original hardware or migrating to a different diagnostic platform. Without access to the original vendor
For legacy AutoData users, migrating to modern cloud-based or non-dongle diagnostic software (e.g., AutoData 360 or alternative brands like Autodata’s successor products) is strongly recommended.