Re-run the software using the method mentioned above. Important Considerations

If you are running WinOLS 4.7 inside a Virtual Machine (VMware or VirtualBox), ensure that is disabled.

If you are a professional tuner, the most "verified" fix is to upgrade to a . It eliminates "Date is Wrong" errors, provides official checksum support, and ensures you won't brick a customer's ECU due to a software glitch.