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This error completely blocks access to the software. It indicates a communication breakdown between the Autodata software license manager and the security hardware (dongle) attached to your computer.
What are you running (e.g., Windows 10, Windows 11, 64-bit)?
Click Apply , then OK , and attempt to relaunch the app. 2. Regenerate the License and UID Signature This error completely blocks access to the software
In this long-form guide, we will dissect the Autodata 345 dongle error, explain its root causes (from driver conflicts to hard drive changes), and provide a step-by-step roadmap to resolve it.
If you are using a virtual license or dongle emulator, the emulation driver may have been blocked by antivirus software. Step-by-Step Solutions to Fix the Error Click Apply , then OK , and attempt to relaunch the app
Press Windows Key + R , type cmd , and press Ctrl + Shift + Enter to open an elevated .
Autodata 3.45 was designed for older environments. If you are on Windows 10 or 11, the "mismatch" can be caused by . If you are using a virtual license or
Right-click on the Autodata 3.45 desktop icon and click . Open the Compatibility tab.
Navigate to your installation directory and run the identity tool (often labeled GetUID or HardwareID.exe ) by right-clicking it and choosing Run as Administrator .
Did these steps successfully for you, or do you still see the 6400000000 error?
: Ensure your Windows Regional Settings are set to English (United States) . This is a common cause for runtime errors even if the dongle matches.