Click "Change" under "Set the date and time manually" and set it to a previous year.
How to Fix "WinOLS 4.7 Your System Date is Wrong Install" Error
If your system time is objectively correct but WinOLS still refuses to install, consider these known installation workarounds: Directory Path Issues winols 47 your system date is wrong install
If the error persists, the installation files may have become corrupted by the license protector. Uninstall WinOLS completely. Delete the EVC folder in C:\Program Files (x86)\ . Delete the EVC folder in %AppData% .
, but before opening the software for the first time, ensure your system date is set to January 2021 . A Note on Virtual Machines (VMs) Click "Change" under "Set the date and time
WinOLS 47 is sensitive to regional formatting. Ensure:
Recommended further research directions
"Your system date is wrong" WinOLS 4.7 is a common anti-piracy or synchronization check that prevents the software from launching or activating if it detects a discrepancy between your local system time and its internal license validation logic. Root Causes Time Drift or Desync
Before trying advanced bypasses, ensure your Windows clock is actually correct. Right-click the in your taskbar. Select Adjust date/time . Ensure Set time automatically is toggled ON . Delete the EVC folder in C:\Program Files (x86)\
WinOLS 4.7 is a powerful software suite widely used in the automotive industry for ECU remapping and chip tuning. However, users frequently encounter frustrating installation bottlenecks, particularly the error, which often stems from complex software licensing checks or issues with anti-tamper mechanisms in unofficial or pre-activated versions.
WinOLS 47 relies on older Visual C++ runtimes. If missing, the date check fails silently.