Right-click the file matching your system architecture—either or RegSettings_x86.reg —and click Merge or Run .

Any that appear (e.g., E0209 or Sentinel errors).

If Error 345 persists and you cannot resolve it, consider migrating to alternative automotive data platforms that do not rely on finicky portable hardware locking:

The portable emulator was launched without elevated privileges, preventing it from reading hardware signatures. Step-by-Step Fixes for Autodata 3.45 Portable

Try plugging your USB dongle into every available USB port on your laptop, especially USB 2.0 ports if your computer has both USB 2.0 and USB 3.0 (blue) ports.

If you are an currently facing this error, try these immediate steps before contacting support:

Copy the 8-digit (32-bit) or 10-digit (64-bit) code that appears. Step 2: Update the License and Registry

Security suites frequently flag virtual dongle emulators as false positives. Add your entire Autodata folder to your antivirus exclusion list.

If the error persists, ensure your Windows Regional Settings are set to English (United States) .

Old licensing attempts can block new ones. Cleaning them forces the software to re-read your hardware configuration. Press Win + R , type regedit , and hit .

Understanding why this error happens and applying systemic troubleshooting steps can restore access to your automotive wiring diagrams and repair data. Why This Error Occurs

Right-click the Autodata.exe (or your portable runner shortcut) and select Run as Administrator . 4. Remove Existing Registry Keys