Ensure your COM port in Device Manager matches the port selected in the Delphi "Hardware Setup" menu. Activation Loops:
| Problem | Solution | |---------|----------| | | Unplug and replug the USB interface. Then restart the Delphi service: net stop DelphiService && net start DelphiService (Admin CMD). | | Crash when selecting "BMW" or "Mercedes" | The fix pack sometimes corrupts Asian vehicle definition files. Recopy the Data\EU folder from the original ISO. | | Blank screen on scan (Windows 10 scaling) | Right-click Delphi.exe → Properties → Compatibility → Change high DPI settings → Override high DPI scaling: Application . | | Driver signature error on reboot | The patch disables enforcement only temporarily. Run bcdedit /set testsigning on and reboot to stay in Test Mode permanently. | | Bluetooth DS150E not pairing | Install the BlueSoleil driver included in the fix pack. In Delphi, set COM port to emulated COM6. | 2017 rev.3 vfinal delphi cars -fixed win10-
If the software asks for activation every time you open it, ensure you have moved the license.key Ensure your COM port in Device Manager matches
This led to widespread frustration—until the fixed version appeared. | | Crash when selecting "BMW" or "Mercedes"
Do not use USB 3.0 ports for the DS150E. Stick to USB 2.0 ports or use a powered USB hub. The fixed driver does not fully support USB 3.0 power management.
The designation suggests this was intended to be the last stable release before the community moved on to newer, often more bloated versions like 2020 or 2021 R1/R3 releases.