If you are working with ECU remapping, encountering the error can bring your workflow to a grinding halt. This specific error message is common among users of modified or "unlocked" versions of WinOLS 4.7, though it can occasionally plague legitimate users with CMOS battery issues.
Set the year back to 2021 or 2022 (the year the specific 4.7 build was released).
The simplest way to bypass this error is to trick the software into thinking it is still within its valid operational window. Close WinOLS completely. winols 47 your system date is wrong verified
For the 4.7 version, the RunAsDate utility set to a 2021 timestamp remains the most reliable way to bypass the system date error without breaking your internet connection.
If you are a professional tuner, the most "verified" fix is to upgrade to a . It eliminates "Date is Wrong" errors, provides official checksum support, and ensures you won't brick a customer's ECU due to a software glitch. If you are working with ECU remapping, encountering
Fix "WinOLS 4.7 Your System Date is Wrong": Causes and Verified Solutions
When this error appears, the software refuses to launch, claiming a discrepancy between your computer’s clock and the internal security timestamps of the application. Here is a comprehensive guide on why this happens and the verified ways to fix it. Why Does This Error Occur? The simplest way to bypass this error is
Right-click your system clock in the Taskbar and select Adjust date/time . Step 3: Toggle "Set time automatically" to Off .
Re-run the software using the method mentioned above. Important Considerations
Sometimes, even after changing the date, the software "remembers" that it saw a future date. Open (Windows Key + R, type regedit ). Navigate to HKEY_CURRENT_USER\Software\EVC .