Improved ability to communicate with newer CAN-BUS modules.
: The software opens, but clicking "Test Interface" results in a Please connect USB device or Interface Not Found error.
The v29exe relies on specific dynamic link libraries (e.g., Ftd2xx.dll ) and a configuration file (often named Opcom.ini ). If you have mixed files from different versions (e.g., v1.39 with v2.9), the "39link" appears because the software requests a handshake response that the hardware cannot provide.
Below is a structured "long post" format you can use for sharing the fixed link and instructions: 🚀 OP-COM Recovery Update: OpcomFut V2.9 Fixed! opcomfut v29exe 39link39 fixed
: Use software variants specifically designed for clone hardware (such as OP-COM 2012 / 08-2010 China Clone versions), which have the automatic bricking triggers removed from their source code.
Hold down the while clicking Restart in your Windows Start Menu.
Once the basic boot routine is safely injected, uncheck the recovery box. Switch the utility profile to Automatic Mode , choose your desired full firmware structure (e.g., FW139.hex ), and click Flash once more. Improved ability to communicate with newer CAN-BUS modules
The error message typically appears as:
: You may need to manually reflash the PIC18F458 chip using a dedicated programmer if the software-based updater cannot "see" the device.
Save your changes, close the windows, and restart the opcomfut_v2.9.exe utility. Verifying a Successful Fix If you have mixed files from different versions (e
: Right-click opcomfut v29.exe , select Properties , navigate to the Compatibility tab, check Run this program in compatibility mode for , and select Windows 7 or Windows XP (Service Pack 3) .
Accidentally running a clone interface with genuine, newer OP-COM software often triggers a countermeasure that wipes or locks the microcontroller.
Because opcomfut_v2.9.exe writes directly to local hardware registers via a virtual COM connection, it requires elevated system permissions. Locate the opcomfut_v2.9.exe file on your storage drive. Right-click the file and click . Navigate to the Compatibility tab. Check the box next to Run this program as an administrator . Click Apply , then hit OK .
The application reads existing bootloader data, verifies firmware identifiers (like FW 1.39, 1.45, or 1.64), and rewrites memory blocks to maintain compatibility with modern diagnostic programs. Causes of the "Link 39" Error
This is non-negotiable for a stable link.