Check the box labeled .

Installing on Windows 10 is a multi-step process because this legacy software (released in 2011) was not originally designed for modern 64-bit operating systems. To ensure it runs without "Runtime Error 217" or license failures, you must follow a specific sequence involving system modifications and driver emulation. Prerequisites & Preparation

This comprehensive guide will walk you through the entire process of successfully installing, configuring, and running Autodata 3.40 on Windows 10. Prerequisites and System Preparation

Right-click on Install.exe or Setup.exe and select .

A black console window will appear, installing the necessary drivers. Do not close it until it tells you to.

Once you have successfully launched and tested the software, you can turn off Windows Test Mode. Open Command Prompt as Administrator and type: bcdedit.exe /set current testsigning off Restart your PC. Troubleshooting Common Errors

Press the , type optionalfeatures , and press Enter .

Close the utility. Always use this new shortcut to launch Autodata. Troubleshooting Common Errors on Windows 10 Error code: E0019 or "Dongle Not Found"

Autodata 3.40 uses Sentinel security encoding. You must install a Windows 10-compatible version of the driver. Open your extracted Autodata 3.40 installation folder. Look for a folder named Sentinel System Driver or NDAS .

Legacy software patches, cracks, or registry emulators are often flagged as false positives by modern antivirus software. Open (Press Win + I ).