Delete the keys tracking the trial time or date checks, or clear the folder entirely if you plan to clean-reinstall. Method 4: Configuring Virtual Machine Isolation

: Windows regularly synchronizes its clock with internet time servers (NTP), which automatically pushes your system past the software's allowable date range.

While effective for launching the app, keeping your system clock in the past breaks internet browsing (due to SSL/TLS security certificate mismatches), disrupts Windows Updates, and messes up timestamps on your saved tuning files. Method 2: The Automated Solution (RunAsDate)

The fastest way to bypass the error is to manually change your Windows system clock back to a time when the software was active. Steps for Windows 10 and 11:

Whether your WinOLS package came with a ?

For those using specific loaders for WinOLS, the software may expect a very specific file structure.

Moving forward, always launch the software using this new desktop shortcut. Method 3: Use a Dedicated Time-Bomb Loader

@echo off rem Save the current date for /f "tokens=2 delims==" %%I in ('wmic os get localdatetime /value') do set datetime=%%I set current_date=%datetime:~6,2%-%datetime:~4,2%-%datetime:~0,4% rem Set date back to a working year for WinOLS 4.7 date 01-01-2021 rem Start WinOLS and wait for you to close it start /wait "" "C:\Program Files (x86)\EVC\WinOLS\WinOLS.exe" rem Restore the correct current date date %current_date% exit Use code with caution.

If automatic synchronization fails, manually set the correct date and time:

Overzealous antivirus or anti-malware tools can interfere with WinOLS's license validation: