If you are a mechanic or a DIY enthusiast using Autodata 3.45, you’ve likely encountered the frustrating error message:

For the most stable experience, install Autodata 3.45 on a Virtual Machine (like VMware) running Windows 7. This "freezes" the environment and prevents hardware mismatches.

This error typically appears when the software's security layer—which looks for a specific hardware ID or physical USB dongle—detects a discrepancy. Since Autodata 3.45 is an older, often "fixed" version of the software, this mismatch is common after Windows updates, hardware changes, or registry errors.