Right-click the time display in your Windows Taskbar and choose .
If you are using a version of 4.7 that has expired, you may need to trick the software. Disconnect from the internet. Manually set your PC date back to . Try launching WinOLS.
+-------------------------------------------------------------+ | CRITICAL DIRECTORIES TO PURGE | +-------------------------------------------------------------+ | Registry Path | HKEY_CURRENT_USER\Software\EVC | | Registry Path | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\EVC| | Local AppData | %localappdata%\EVC\ | +-------------------------------------------------------------+ Close all instances of WinOLS. winols 47 your system date is wrong updated
The most common reason for this error is a simple desync between your PC and the global time servers.
If Windows automatically synchronizes its clock with online network time servers (NTP), it will instantly overwrite any manual backdating tricks you have configured to keep the software running. Right-click the time display in your Windows Taskbar
Go to Windows Settings > Time & Language > Date & Time. Disable "Set time automatically" and set the date to a time in the past.
: Toggle Set time automatically to OFF , then toggle it back to ON . Manually set your PC date back to
While the official developer, EVC, has released , version 4.7 remains a staple in many workshops, particularly for those using alternative versions. Its popularity persists as it provides a stable platform with a wide base of community support. This guide focuses on the persistent "system date wrong" error commonly encountered with WinOLS version 4.7 (specifically build 4.70.01) across various Windows operating systems.
Marco looked at his PC clock. November 14, 2023.