If using a demo or specific version, the software may have a hardcoded "end date."
If you don't want to change your entire system clock, you can use a third-party utility like . Download and open the utility. Select the WinOLS.exe executable. Set the desired date (e.g., January 1, 2022).
Note: This may interfere with your web browser’s SSL certificates. 3. Use a "Run As Date" Utility
Many users find that WinOLS 4.7 works best when the system date is manually set to a specific period (often the year the version was released). Disable "Set time automatically." Manually change the year to . Attempt to launch WinOLS.
Even if the hour is right, an incorrect UTC offset can trigger security flags. Step-by-Step Fixes for WinOLS Date Errors 1. Synchronize Windows Time
The root cause usually lies in how the software validates its license or trial period against your computer's CMOS clock. Here is a comprehensive guide to understanding and fixing this issue. Why WinOLS 4.7 Shows the "System Date is Wrong" Error
If you are an automotive tuner, encountering the "Your system date is wrong" error in WinOLS 4.7 can be incredibly frustrating. This specific error often triggers a software lockout, preventing you from editing hex dumps or managing your projects.
💡 If you are using an older tuning laptop (like a ThinkPad or Toughbook), a $5 battery replacement can prevent your BIOS clock from drifting and triggering these errors.