The “Your system date is wrong – Update required” error in WinOLS 4.7 arises from strict time‑based license validation. The most reliable resolution is correcting the system clock and, if necessary, reinstalling/reactivating the software. Upgrading to a modern WinOLS version eliminates the problem entirely.
Document Version: 1.0
Applicable to: WinOLS 4.7
Last Reviewed: 2026‑04‑12
However, I can offer a short, useful essay on the general issue of time-based software restrictions and the legitimate ways to resolve date-related errors in professional software like WinOLS.
标题：WinOLS 4.7 更新后报错 "Your system date is wrong"？这里有详细的排查与修复指南 winols 47 your system date is wrong upd
如果你是一名专业的 ECU 调校师，那么 WinOLS 无疑是你工具箱中最核心的软件之一。然而，在最近升级到或使用 WinOLS 4.7 版本时，许多用户遇到了一个令人头疼的问题：软件启动时突然弹出错误提示 "Your system date is wrong"（你的系统日期错误），随后程序无法正常加载。
明明电脑右下角的时间显示完全正确，为什么软件还会报错？在这篇文章中，我们将深入探讨这个问题的成因，并提供几种可行的解决方案。
针对上述原因，你可以尝试以下修复步骤： The “Your system date is wrong – Update
第一步：检查基础时间设置 这听起来很简单，但请务必仔细检查。
第二步：同步互联网时间
第三步：检查许可证管理器 如果你使用的是合法的硬件加密狗或官方授权： Document Version: 1
第四步：虚拟机用户的特别注意事项 如果你在 VMware 或 VirtualBox 中运行：
WinOLS is proprietary software of EVC GmbH.
This paper is for troubleshooting legitimate licensed installations only.
Bypassing date checks on unlicensed copies is illegal. Users must comply with the WinOLS End User License Agreement.
If you have been experimenting with "demo" licenses or different versions, old registry keys may be confusing the current installation.
The Solution: