Enter the date that worked in the manual test (e.g., 01/01/2022). Step 4: Create a desktop shortcut through the utility. Step 5: Use this new shortcut to launch WinOLS every time. 3. Cleaning the Registry

If the above steps don't work, the issue may be with the WinOLS installation itself.

: Some users of older, unofficial versions "solve" this by manually setting their PC date back to a specific year (e.g., 2021 or 2022). However, this can break your web browser and other modern apps that require a current date to verify SSL certificates.

(currently v5.89 as of April 2026), which supports modern OS features and fixed many of these legacy bugs. Are you experiencing this error specifically when launching the application or while trying to save/export a project?

This message can be frustrating, especially when you are certain your computer’s calendar is set to the correct day, month, and year. Below, we break down why this error occurs and how to resolve it properly.

: The software or its crack components have an internal expiration date. If your PC date is ahead of this "safe" window, the program refuses to launch to ensure it's not being used on an expired license. Licensing Drift

Here is how to resolve this error and get back to your ECU projects. 1. Synchronize Windows Time and Date