Autocom 2020.23 Windows 11 _verified_ -
If you provide more detail (error codes, screenshots of the issue), I can give you a more targeted solution.
| 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 ). | autocom 2020.23 windows 11
If your VCI isn't recognized, manually update the driver in Device Manager . Point it to the Drivers folder within your Autocom installation directory. If you provide more detail (error codes, screenshots