Autodata 345 The Hardware Information Does Not Match With Your Dongle Best Fixed Here

If you are an automotive technician or workshop owner who relies on for vehicle specifications, wiring diagrams, and repair times, you have likely encountered the dreaded Error 345 . The full message usually reads: "The hardware information does not match with your dongle. Please contact your supplier."

The solution is almost always – reinstalling drivers or restoring the original license file. Do not rush to buy new hardware. Follow the steps in this guide, and you will likely be back to diagnosing vehicles within 20 minutes. If you are an automotive technician or workshop

| Action | Why It Helps | |--------|---------------| | for Autodata | Avoid hardware changes and moving the dongle. | | Keep the original license file in a safe place (email, cloud, USB) | Allows quick repair after any change. | | Disable automatic Windows driver updates | Prevents unexpected hardware ID changes. | | Label the dongle with the PC name | Reminds staff not to move it to other computers. | | Do not use USB hubs for the dongle | Direct motherboard connection is more stable. | | Back up the Autodata folder monthly | Corrupt license files can be restored instantly. | Is Error 345 a Sign of a Fake Dongle? Yes, sometimes. Counterfeit Autodata dongles (sold on eBay, AliExpress, or Facebook groups for $50–$100) often contain generic HASP chips with cloned data. After a few weeks or months, the dongle’s internal counter or checksum fails, and Error 345 appears permanently. Do not rush to buy new hardware