When you plug a Delphi Autocom (CDP, CDP+, or 2.0) into a fresh Windows 11 machine, nothing happens. Why? Windows 11 enforces Driver Signature Enforcement (DSE) for kernel-mode drivers. The original Delphi drivers (circa 2008-2015) use an old certificate that Microsoft no longer trusts.
Note: Keep this turned off only during the installation and activation phase. Step 2: Configure an Exclusion Folder
: The software appears to load for a few seconds, then terminates unexpectedly without any error message.
If your laptop has a dedicated GPU alongside an integrated processor, force Windows 11 to use the high-performance card for Autocom. Navigate to Settings > System > Display > Graphics , add Main.exe , and set the preference to High performance . Delphi Autocom Windows 11
I'll follow the search plan in two rounds. Round One: general information, compatibility, installation, drivers. Round Two: troubleshooting, alternatives, and tips.
working on older vehicles (pre-2018). While setup requires patience and driver tweaks, once running, it delivers reliable, dealer-level functionality for a fraction of the cost.
This is the most crucial step. Diagnostic software tools often use activation patches that Windows Defender wrongly identifies as malware. Turn off real-time protection in Windows Security . When you plug a Delphi Autocom (CDP, CDP+, or 2
Delphi Autocom can be made to work on Windows 11, but success requires meticulous attention to system configuration, driver selection, and security settings. The most reliable approach is to use a dedicated Windows 10 laptop for diagnostic purposes, leaving Windows 11 for general computing tasks. However, for those committed to making it work on Windows 11, following the installation steps outlined above—disabling Windows Defender, enabling .NET Framework 3.5, verifying installation directories, and carefully managing Windows updates—should result in a functional diagnostic workstation. Keep in mind that each Windows 11 feature update may break functionality, requiring you to revisit these troubleshooting steps periodically.
If you must keep your diagnostic computer connected to the Internet, consider deferring feature updates (such as the transition from 22H1 to 22H2) until you have confirmed compatibility with your diagnostic software. Maintain a system image backup before installing any major Windows update, allowing you to restore functionality quickly if problems arise.
Because you need to install the old USB drivers, you must boot Windows 11 into a special mode. The original Delphi drivers (circa 2008-2015) use an
: Windows 11 may be missing the correct drivers for your Autocom interface, or the drivers may have been overwritten by Windows Update.
To run the latest Delphi Autocom (CARS and TRUCKS) software smoothly on Windows 11, your hardware should meet or exceed these specifications: : Intel Core i5 or better. Memory : Minimum 4 GB RAM. Storage : At least 16 GB of free hard drive space. Display : Screen resolution of 1440 x 900 or higher.
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