Many professionals run Autodata 3.45 inside a Virtual Machine (using VirtualBox or VMware) running Windows 7. This "freezes" the environment so hardware mismatches never occur. Conclusion
: A new hardware ID was generated (common after Windows updates or hardware changes), making the old license file invalid. Many professionals run Autodata 3
The emulator stores information in the Windows Registry. If these entries are corrupted, you will get the mismatch error. Navigate to your AutoData 3.45 installation folder. Many professionals run Autodata 3
Before modifying software settings, rule out basic hardware connection faults. Close the software completely. Unplug the USB dongle from its current slot. Many professionals run Autodata 3
Then, run the registration file corresponding to your operating system: RegSettings_x86.reg for 32-bit or RegSettings_x64.reg for 64-bit. Verify Emulator Status