Download the specific "39link fixed" version of opcomfut v29exe (often found in forums as Opcom_V2.9_39link_patched.rar). Inside, you need:
[Interface]
PortType=USB
LinkTimeOut=5000
RetryCount=5
ForceSlowInit=1
Replace the existing files in your Opcom installation folder (typically C:\Opcom\ or C:\Program Files\Opcom\).
On [date of fix], the following actions were completed:
Verification:
If you are an automotive diagnostic technician specializing in Opel, Vauxhall, or GM vehicles, you have likely encountered the cryptic and frustrating error message: "39link" when trying to run Opcomfut v29exe. This issue has plagued users for years, causing connection failures and preventing firmware updates.
In this comprehensive guide, we will dissect exactly what "Opcomfut v29exe 39link fixed" means, why this error occurs, and—most importantly—how to permanently resolve it. By the end of this article, you will have a fully functional diagnostic interface.
Search for "Device Manager" → Expand "Universal Serial Bus devices" or "Ports (COM & LPT)". Right-click any Opcom-related device and select Uninstall device. Check the box "Delete the driver software for this device."
Then, download and run Zadig (a USB driver utility). Set Options → List All Devices. Select your Opcom interface. If it shows libusb-win32, change it to WinUSB (or vice versa). This resets the driver stack. opcomfut v29exe 39link39 fixed
This issue is considered fixed as of [date]. No further action required unless new evidence emerges.
If you can provide more accurate names or context (e.g., actual software, log error, or internal project code), I can rewrite the report to be technically precise.
OPCOMFUT V2.9.exe is a firmware update utility specifically designed for OP-COM diagnostic interfaces, which are widely used by mechanics and enthusiasts for Opel and Vauxhall vehicles.
The "39link39 fixed" version likely refers to a community-patched or verified release of the software that addresses critical connectivity or execution errors. What is OPCOMFUT?
The tool serves as a "Firmware Update Tool" (FUT) for OP-COM clones, particularly those utilizing the PIC18F458 microcontroller. Its primary functions include:
Firmware Restoration: Used to recover "bricked" or erased interfaces after a failed update or software conflict.
Version Verification: Allows users to check the current firmware ID and bootloader status of their OBD-II hardware. Download the specific "39link fixed" version of opcomfut
Compatibility Updates: Ensures the hardware can run newer versions of the diagnostic software (such as the 2011/2012 releases or later). The "V2.9.exe Fixed" Patch
Users often encounter the "V29EXE error" when attempting to flash their device, which can stem from incompatible drivers or corrupted executable files. The "Fixed" version of OPCOMFUT V2.9.exe typically includes:
Administrative Rights Fix: Bypasses certain Windows permission blocks that prevent the software from accessing the USB port.
Driver Signature Overrider integration: Often bundled with tools like the Driver Signature Enforcement Overrider (DSEO) to allow the non-digitally signed drivers required for the interface to run on modern Windows versions.
Bootloader Restoration: Specific fixes for the "PIC bootloader" to ensure the interface is recognized as a functional clone again. Usage and Safety Tips
Working with firmware updates for diagnostic clones carries risks. To ensure a successful fix, consider these community-recommended steps:
Run as Administrator: Always right-click the .exe and select "Run as Administrator". Replace the existing files in your Opcom installation
Check Hardware ID: Before flashing, use the OCFlash or OPCOMFUT "Check Version" button to confirm your hardware is compatible (PIC18F458 chip).
Firmware Version: Many users recommend staying on stable firmware versions like v1.39 or v1.45 for the best balance of stability and vehicle coverage.
For detailed technical guides on restoring specific modules like the Audi J393 or Corsa D SDM, technical forums such as Vectra Klub Polska offer extensive community-vetted instructions. Restore PIC18F458 Bootloader Guide | PDF - Scribd
9. Now lets check that your interface its OK. Go to OPCOMFUT folder and open OPCOMFUT [Link] (remember to run it as Administrator)
Restore PIC18F458 Bootloader Guide | PDF | Computers - Scribd
The v29exe version is particularly sensitive because it expects a specific response timing from the interface’s bootloader. Cloned Opcom units (which represent 90% of units in circulation) often use cheaper microcontrollers with slightly different clock speeds. This mismatch triggers the 39link error almost immediately.
Other causes include: