Keep your Windows Time Service ( w32time ) active and set to automatic startup in your Windows Services panel.

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This guide explains why this error happens and provides actionable steps to resolve it. Why Does This Error Occur?

Sometimes WinOLS "remembers" a wrong date even after you've fixed it.

If your motherboard's battery dies, the BIOS resets to a default date (like 01/01/2000), triggering the alert.

To avoid changing your entire system's clock, use a utility like . Download and open RunAsDate . Select the WinOLS executable (.exe). Set the desired date (e.g., January 1, 2014). Create a shortcut to launch WinOLS with this "frozen" time. 4. Update the Software If you have a legitimate license: Visit the EVC Electronic website . Download the latest version or update. Newer versions fix bugs related to date checks. Summary Table Fix Method Time Sync Modern users Fast, permanent Doesn't fix expired licenses RunAsDate Expired trials No system impact Requires third-party tool Date Rollback Legacy versions No tools needed Breaks internet browsing

If you are using a legitimate license (especially a dongle-based version), the licensing server might need to be refreshed.

If rolling back your clock works but disrupts your other computer programs, use a time-freezing utility like or TimeStopper .

: It includes integrated algorithms (often via plugins) to verify file integrity, ensuring the car starts and runs correctly after the modified file is flashed back. Common Applications Tuners use WinOLS to achieve specific automotive goals:

With these details, I can provide a more targeted set of instructions to get your software running smoothly. Share public link

Manually changing your PC clock breaks your web browser and other modern apps. You can use a free utility called by NirSoft to trick only WinOLS. Download RunAsDate from the official NirSoft website. Extract and launch the application. Browse and select the WinOLS.exe file.

| Step | Action | |------|--------| | 1 | Correct system date via Settings (Windows) or date / timedatectl (Linux/Wine). | | 2 | Reboot and enter BIOS if CMOS battery is dead (replace CR2032 if needed). | | 3 | After fixing time, re-run WinOLS as administrator. | | 4 | If error persists, re-enter license key (Help → Register). | | 5 | As last resort, reinstall WinOLS with a clean registry (backup projects first). |