If your PC (especially an older laptop) loses its date and time settings every time it reboots, the CMOS battery on the motherboard is likely dead.
The underlying cause can be traced back to a few key areas:
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Would you like a short Python snippet to detect such timestamp mismatches in an OLS file?
If a simple misconfiguration is the cause: winols+your+system+date+is+wrong
→ That would require (time retrieval API calls like GetSystemTime / GetLocalTime ). Not legally advisable for commercial software.
If you've traveled or changed regions, your Windows time zone may not match the actual internet time.
Older unofficial releases (such as WinOLS 2.24 or 4.7) hardcode timestamp boundaries into custom loaders.
If you are running an older version of WinOLS for educational or backup purposes on a dedicated garage laptop, the software may be hardcoded to reject dates beyond a certain year. Manually changing your Windows clock every time is annoying and breaks your web browser connectivity. Instead, use a "date-freezer" utility like or TimeStopper . If your PC (especially an older laptop) loses
Scroll down to and click Add or remove exclusions .
Shut down your PC and unplug it from the wall (or remove the laptop battery).
Scroll down to "Synchronize your clock" and click the button. 2. Resync via Command Prompt (Force Sync)
While workaround utilities like RunAsDate solve immediate access issues, using cloned tuning software carries significant liabilities for professional automotive shops: If you share with third parties, their policies apply
Are you using an or a version that came with an aftermarket tuning interface?
Set the absolute date inside the utility to a year when that specific version was fully functional (for example, 01/01/2014 for older v2.24 setups).
Follow these troubleshooting steps in order to resolve the issue and get your tuning software running smoothly again. Step 1: Check and Sync Windows Time Settings