If compatibility mode fails, DEP is the likeliest cause.

Note: If DEP cannot be disabled, open Command Prompt as administrator and run:

bcdedit.exe /set current nx AlwaysOff

(To re-enable later: bcdedit.exe /set current nx AlwaysOn)

Data Execution Prevention (DEP) is a Windows security feature that sometimes flags AutoData’s runtime memory access as malicious.

Step 1: Disable DEP for AutoData.exe

Step 2: Adjust Visual Effects

Step 3: Reboot and test.

Once you have AutoData working, follow these best practices:

If you have successfully run Autodata on Windows 7, you might wonder why Windows 10 rejects it. The primary culprits are: