WinOLS often relies on a "heartbeat" or a periodic check-in. If your system clock differs significantly from the server time or the timestamp of your last successful launch, the software assumes you are trying to bypass a subscription expiration.
Right-click the clock in your Taskbar and select
If you are using a demo version or a license with a specific end-date, the software monitors the CMOS battery and Windows clock to ensure the time hasn't been "rolled back." winols 4.7 your system date is wrong
WinOLS writes security keys to the Windows Registry to prevent users from rolling back the clock to extend trials. Press Win + R , type regedit , and hit Enter. Search for keys related to or WinOLS .
Restart your computer and enter the (usually by pressing F2, F12, or Del during startup). WinOLS often relies on a "heartbeat" or a periodic check-in
Avoid installing unnecessary software that might interfere with system timers.
Sometimes WinOLS stores a "last run" timestamp in a configuration file that conflicts with the current time. Press Win + R , type regedit , and hit Enter
Check if the loader requires a specific date (some older "fixed" versions only work if the system is manually set to a specific year, like 2021). Prevention Tips for Tuners
Caution: Only do this if you have backed up your project files ( .ols ). 4. Registry Cleanup (Advanced Users)