First please load the RoadRunner drivers as per the direction in the Install RoadRunner Drivers article.  Once that process is complete please follow the steps outlined below:

Windows Vista & Windows 7

Windows will automatically install a driver by using the Windows Update service.  Follow these steps to load the RoadRunner drivers on Microsoft Windows Vista and Windows 7 systems to make the RoadRunner device recognised as a Native USB device by the EFILive V7.5 Tune Tool.

1. Press the Windows+Pause/Break keys on your keyboard or right-click on Computer and selecting the Properties option.
2. Select the Device Manager option in the left-hand pane.
3. Expand the Universal Serial Bus controllers category.
4. Right-click on the USB Serial Converter device and select the Properties option.
5. Select the Advanced tab.
6. Check the Load VCP checkbox.
7. Click the OK button.
8. Disconnect and then reconnect the RoadRunner and a new COM port should be installed under the Ports (COM & LPT) category.
9. Take a note of the new COM Port number; this is needed in the V7.5 Tune Tool below.

Windows XP

Windows will automatically install a driver by using the Windows Update service.  Follow these steps to load the RoadRunner drivers on Microsoft Windows XP systems to make the RoadRunner device recognised as a Native USB device by the EFILive V7.5 Tune Tool.

1. Press the Windows+Pause/Break keys on your keyboard or right-click on My Computer and selecting the Properties option.
2. Select the Hardware tab.
3. Click the Device Manager button.
4. Expand the Universal Serial Bus controllers category.
5. Right-click on the USB Serial Converter device and select the Properties option.
6. Select the Advanced tab.
7. Check the Load VCP checkbox.
8. Click the OK button.
9. Disconnect and then reconnect the RoadRunner and a new COM port should be installed under the Ports (COM & LPT) category.
10. Take a note of the new COM Port number; this is needed in the Tune Tool below.

EFILive V7.5 Tune Tool

To configure the RoadRunner as a Virtual COM Port in the Tune Tool follow these steps:

1. Open the EFILive V7.5 Tune Tool.
2. Click on the Edit menu and select the Properties menu option.
3. Select the RoadRunner tab.
4. Select the Virtual COM Port option in the RoadRunner connection type: section.
5. Select the COM Port number noted from the above section as the Preferred COM port:.
6. If Scan all COM ports option is checked ensure that the number in the Scan from COM1 to COM: box is greater than or equal to the COM Port number of your RoadRunner.