Manually set the year back to 2021 or 2022 (depending on your specific installer's package date).
Navigate to your Windows Date & Time Settings and toggle off "Set time automatically".
If the application refuses to open even after rolling back the clock, the digital signature or time-bomb in your current loader has fully expired. winols 47 your system date is wrong upd
WinOLS 4.7 is a highly specialized program designed by EVC electronic to modify the data memory of Engine Control Units (ECUs). Because this specific version (4.7) is widely circulated as a modified or "unlocked" release, it often relies on strict system date parameters to function without triggering anti-piracy or trial-lock mechanisms.
Source a reliable "RunAsDate" application. Manually set the year back to 2021 or
You will need to source an updated loader file or an "unlocked" installer that removed the hardcoded date limits from automotive tuning forums.
If you use this software to make a living or tune vehicles regularly, the ultimate solution to error messages like "your system date is wrong" is to invest in a legitimate, licensed version of WinOLS 5 directly from EVC. Official licenses bypass all date-related errors, guarantee access to massive map databases, provide official checksum plugins, and allow you to update your computer without the fear of software lockouts. If you would like to proceed with fixing this, tell me: WinOLS 4
If your computer forgets the time every time you shut it down or reboot it, your physical motherboard battery is dead.
While fighting with loaders and system clocks is common in the DIY tuning scene, it disrupts workflow and puts project cars at risk of bad checksum calculations.