Ensure the COM Port in the software settings matches the port assigned in Device Manager.
Click , select the modified FileActivation.xml file, and let the software complete its initialization. Driver Configuration for VCI Hardware
Once the file is patched/activated, return to the Autocom activation screen.
Running Autocom 2020.23 requires a 64-bit Windows 11 system with at least an Intel Core i5 processor, 4 GB of RAM, 16 GB free disk space, and USB/Bluetooth capability for VCI connections. Installation Methods autocom 2020.23 windows 11
Paste the received code back into the activation window and click "Activate". Troubleshooting Common Issues
Tools like OBD Auto Doctor or Car Scanner ELM OBD (for basic diagnostics) are fully Windows 11 compatible, though less powerful than Autocom.
This is the central point of confusion for most users, as online information is conflicting. Ensure the COM Port in the software settings
USB 2.0 or USB 3.0 port for VCI hardware connection, or functional Bluetooth. Software Prerequisites
Provide the exact error code from Windows Event Viewer (Applications log) or the name of your interface (e.g., "VCX Nano", "Mongoose Pro", "J2534 Cheap Clone").
However, with Microsoft pushing Windows 11 as the new standard, many mechanics and DIY enthusiasts face a crucial question: Running Autocom 2020
AutoCOM requires specific versions. Run these installers first (located usually in \Redist\ or \Drivers\ folder):
Select under Virus & threat protection settings. Toggle Real-time protection to Off .
Connect your VCI hardware to a USB port on your Windows 11 machine. Right-click the and select Device Manager .
Windows 11 requires driver signatures. You may need to disable Driver Signature Enforcement in the Windows recovery menu to allow the USB drivers to load. Tips for Optimal Performance
| Error Message | Windows 11 Fix | | :--- | :--- | | | Reinstall VC++ Redist (x86 AND x64). Copy msvcp140.dll and vcruntime140.dll from SysWOW64 to the AutoCOM folder. | | "Cannot find J2534 PassThru" | Run J2534_Config.exe as Admin. Set API to "FTDI" or "D-PDU". Do not use "Windows TAPI". | | "USB Port Exceeded Power" | Use a Powered USB 2.0 Hub . Windows 11 USB 3.x power negotiation fails with old 12v pass-through cables. | | "Connect Timeout" | In AutoCOM settings, set Latency Timer to 16 ms (via FTDI Prog or Device Manager > Port Settings > Advanced). | | Blank white screen on launch | Disable "Hardware Acceleration" in the software config file ( AutoCOM.ini → UseHWAccel=0 ). |