| Setting | Value | |----------------------------------|-----------------------------------------------------------| | Software compatibility mode | Windows 7 | | Run as Administrator | Always (for Autocom.exe ) | | USB selective suspend | Disabled (Power Options → USB settings) | | High precision event timer (HPET)| Disabled in Device Manager (if latency spikes occur) | | Antivirus exclusions | Entire C:\Delphi_AutoCom_Cars and C:\ProgramData\Autocom |
Windows 11 requires signed drivers to communicate with the VCI (Vehicle Communication Interface) multiplexer via USB.
: Connect the box to both the PC (USB) and a vehicle (12V power is required). In the software settings, go to Hardware Setup
If you want, I can:
has proven problematic on Windows 11, particularly after the 22H2 update released in September 2022. Many users reported that Autocom 2020.23 would launch for only a few seconds before terminating unexpectedly, or would fail to launch at all. One user described the experience vividly: “I had installed Autocom 2020.23 and Delphi 2020.23 on a brand new Acer PC with Windows 11, and everything worked fine until I installed the latest Windows update. Now nothing works anymore”. Delphi Autocom Windows 11
| Error Message | Root Cause | Solution | |------------------------------------------------|-----------------------------------------------|--------------------------------------------------------------------------| | “Device not found” | USB driver replaced by Windows native CDC | Use Zadig (libusb-win32) → replace driver with WinUSB 6.1. | | “Cannot load DAO360.dll” | Missing Access Runtime 2007 | Install Microsoft Access Database Engine 2010 Redistributable. | | “Communication timeout” | USB 3.x port power management | Force USB 2.0 port (use hub if necessary) OR disable XHCI hand-off in BIOS. | | “Please connect hardware” (even when connected) | Corrupt registry key after Windows Update | Delete HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\USB\Vid_14b0 → Rescan. |
Delphi and Autocom packages are typically distributed as compressed archives.
Right-click the desktop shortcut for Delphi or Autocom and select . Navigate to the Compatibility tab.
If the software fails to connect, or if the VCI is not recognized, try these solutions: A. VCI Not Recognized (Driver Issue) Many users reported that Autocom 2020
: Resets service intervals and performs advanced functions like ECU programming, key coding, and immobilizer resets .
Understanding Delphi and Autocom Compatibility with Windows 11
Upgrading your workshop PC to Windows 11 brings better security and speed, but it can also trigger software compatibility issues. Legacy diagnostic programs often struggle with modern operating system architectures.
⚠️ Note: Use of cracked software is for educational purposes only. Support original developers if using professionally. | Error Message | Root Cause | Solution
When prompted, select the driver type that matches your diagnostic probe based on the hardware configuration:
I'll follow the search plan in two rounds. Round One: general information, compatibility, installation, drivers. Round Two: troubleshooting, alternatives, and tips.
Tip: Avoid installing to the default C:\Program Files\ directory if you encounter permission errors. Instead, install directly to the root directory, such as C:\Autocom\ . Step 3: Software Activation
Switch the USB cable to a USB 2.0 port if possible, as some VCI units have issues with USB 3.0/4.0 ports. 5. Summary Checklist Action Needed Antivirus Turn off Real-time Protection Windows 11 Drivers Disable Signature Enforcement Frameworks Enable .NET Framework 3.5 VCI Connection Ensure USB 2.0 or compatible USB-C adapter
Despite careful installation, issues can still arise when running Delphi Autocom on Windows 11. Here are the most frequently encountered problems and their solutions.