Re-run the patch or re-install the loader files, ensuring they are placed in the correct directory, often C:\Program Files\EVC\WinOLS . 5. Advanced Fix: Reinstall with Correct Date
: Replace the CR2032 coin battery on your laptop or desktop motherboard if your PC regularly loses time when powered off.
: If you run WinOLS inside a Virtual Machine (VM), time synchronization with the host OS can trigger security flags. Step-by-Step Solutions Method 1: Use a Time-Freezing Utility (Recommended)
The error "Your system date is wrong" is a protective measure implemented by EVC (the makers of WinOLS) or built into the loaders used for modified versions of the software.
If you are an automotive tuner, ECU calibration specialist, or a hobbyist working with engine control units, you are likely familiar with . It is the industry-standard software for reading, modifying, and remapping ECU files. winols+47+your+system+date+is+wrong
: Unlicensed versions or specific software loaders have hardcoded expiration dates.
Use this new shortcut to launch WinOLS without affecting your main Windows clock. Method 2: Modify the Windows Registry
There are three primary ways to resolve this issue, ranging from quick temporary workarounds to permanent fixes. Method 1: The Quick Date Rollback (Temporary)
He double-clicked his tuning software icon. He watched the loading bar crawl across the screen. Suddenly, a grey dialogue box popped up in the center of the grid, killing his progress instantly. ⚠️ Re-run the patch or re-install the loader files,
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later.
WinOLS 4.7 "Your System Date is Wrong" Error: Causes & Solutions
Date errors can be cached. WinOLS stores a last-known-good timestamp in the registry and in temp files.
Advanced: If you are unsure which key is blocking you, back up your projects, uninstall WinOLS 4.7 completely, delete these residual EVC folders from the registry, and perform a clean reinstallation while isolated from the internet. Best Practices for a Stable Tuning Environment : If you run WinOLS inside a Virtual
If your computer constantly loses the correct time after a reboot, your motherboard's might be dead. This causes the system to reset to a default factory date (like 2000 or 2005), which WinOLS will immediately flag as incorrect.
Navigate to HKEY_LOCAL_MACHINE\SOFTWARE (and HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node on 64-bit systems) and delete any remnants of the folder. Restart your computer. Set your computer system date back to January 2021 .
November 14, 2019.