If the settings menu fails, you can force a resync via the Command Prompt (Admin): net stop w32time and press Enter. w32tm /unregister and press Enter. w32tm /register and press Enter. net start w32time and press Enter. w32tm /resync and press Enter. Hardware Check:
Set up a guest operating system (usually Windows 7 or Windows 10).
Note: Leaving your system date rolled back permanently will break web browsing (causing SSL certificate errors) and disrupt other modern software updates. Method 2: Use RunAsDate Utility (Automated Solution)
If you're running WinOLS 4.7 and getting the "Your system date is wrong" error, you're usually hitting a licensing or security check that prevents the software from launching. This is a common issue with versions of the software that are either strictly tied to a specific subscription period or are being run in a way that triggers anti-tamper mechanisms. Troubleshooting: WinOLS "System Date is Wrong" Error winols 47 your system date is wrong
Modified versions of WinOLS 4.7 are often hardcoded to operate only within a specific historical timeframe.
This error appears when WinOLS detects a mismatch between the PC system date/time (or its format/locale) and expectations for license validation or software integrity. Follow these steps to resolve it.
The quickest way to bypass the error is to trick the software into thinking it is still operating within its valid lifetime. If the settings menu fails, you can force
Download the latest stable version of WinOLS 4 (v4.82) or upgrade to WinOLS 5 to resolve compatibility issues with modern operating systems.
Running into the "Your system date is wrong" error in WinOLS 4.7 can be a frustrating roadblock when you’re ready to start tuning. This issue usually stems from a mismatch between your computer's local time and the software's internal security or license checks.
WinOLS can be sensitive to where it is installed on your drive. Some versions (especially older loaders) struggle if they aren't in the standard "Program Files" directory. net start w32time and press Enter
The trial uses a 30-day countdown based on the installation date. If you get "Your system date is wrong":
Check the box labeled .