Many tuners run WinOLS 4.7 inside a VM (Virtual Machine). This allows you to lock the VM's system date indefinitely without affecting your main computer.
A failing motherboard battery causes the hardware clock to drift or reset upon reboot. Step-by-Step Fixes for WinOLS 4.7 1. Synchronize the Windows System Clock winols 47 your system date is wrong updated
If you continue to receive the error after all these attempts, it is highly likely that your particular system configuration is incompatible with the patched version you are using. In this case, the only viable path forward is to pursue a legitimate WinOLS 5 license. Many tuners run WinOLS 4