The solutions are listed in order of effectiveness.
Based on hundreds of forum threads, repair shop IT logs, and official Autodata support responses, here are the top working fixes.
Prevention is better than repair. Follow these rules: The solutions are listed in order of effectiveness
| Action | Why It Helps | |--------|---------------| | Use a dedicated PC 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. |
Before you panic and buy a new dongle, try these solutions in order. Do not format your PC or reinstall Windows until you have tried steps 3 and 4. Before you panic and buy a new dongle,
If you have a genuine Autodata subscription or perpetual license:
For cracked or cloned dongles: no support exists. You must rely on community fixes (forums like MHH Auto, Digital Elite Board, etc.) where many users share patched .exe files or emulators. For cracked or cloned dongles: no support exists
Autodata detects virtual environments (VMware, VirtualBox) and often rejects them. If you cloned a hard drive with Autodata installed, both machines will trigger Error 345 because they have duplicate identifiers.
| Cause | Description | |-------|-------------| | Hardware change | Replacement of motherboard, CPU, hard drive, or reformatting OS. | | Dongle driver issue | Corrupted or outdated drivers for the dongle (e.g., HASP/Sentinel). | | Wrong dongle | Another AutoData dongle with a different license is inserted. | | Software version mismatch | Using a newer/older software version than the dongle supports. | | Virtual or cloned system | Running on a virtual machine or restored image that changed hardware IDs. | | Dongle damage | Physical damage or corrupted internal license data. |
Autodata dongles use Sentinel (formerly HASP) drivers.
