: Open the Microsoft Support Date & Time Settings and toggle "Set time automatically" to On . Ensure your time zone is also correct.

Before tampering with software files, ensure Windows is reporting the correct time automatically.

Disclaimer: We strongly advocate for using legitimate software. The following solutions are for informational purposes based on community workarounds for older, unlicensed versions.

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Which are you currently using?

Click under "Synchronize your clock" to ensure it matches the official Windows Time server .

The software thinks its temporary license has expired.

Residual data from older WinOLS versions can confuse the 4.7 license check. Step-by-Step Fixes for WinOLS 4.7 1. The BIOS/UEFI Check

If you'd like, I can provide more details on: How to properly set up RunAsDate for specific scenarios.

Are you using a licensed version from EVC, or is this a specific installation provided by a tuning service? Troubleshoot problems updating Windows - Microsoft Support