Scroll down to the "Synchronize your clock" section and click the button.
Marco didn’t have a support contract. He had a borrowed license file from a friend who swore it worked “forever.”
Run this batch file as Administrator each time you launch WinOLS.
A: No. The error is a hard stop. WinOLS will not open the mapping interface until resolved.
He reopened WinOLS. This time, the map pack loaded halfway before freezing. Then the message again, but with a new line below: winols 47 your system date is wrong install
Remember: If none of these fixes work, and you have exhausted all legitimate troubleshooting, the error may be a deliberate anti-piracy lockout. Respect the developers who maintain ECU definitions – consider purchasing a genuine license from an authorized EVC distributor. Your time is worth more than fighting broken software.
If you are experiencing the issue on Windows 11 and have already tried the date change, consider these additional steps:
Go to Windows Settings > Time & Language > Date & time. Turn off "Set time automatically" and "Set time zone automatically."
This is the most straightforward potential fix. However, keep in mind its success rate for WinOLS 4.7 is low due to its complex licensing bypass. Scroll down to the "Synchronize your clock" section
Before diving into fixes, it is crucial to understand why WinOLS 47 checks your system date. This is not a simple clock battery issue.
In your Administrator Command Prompt, type the following commands one by one, pressing after each:
The splash screen loaded slower than usual. Then a small red dialog box appeared:
It's important to understand the security risks involved with using cracked versions of WinOLS. Many cracked files contain malware or Trojans that can compromise your system. These can include: He reopened WinOLS
Navigate to the or System Information tab to locate the System Date and System Time .
While less common for the specific 4.7 error, it's always possible your PC's internal clock is simply wrong. This can happen due to a dying CMOS battery on your motherboard, incorrect time zone settings, or a failed internet time sync.
Once WinOLS is launched, you can often reset the system date to the correct current date while the software remains open.
: If your computer's internal CMOS battery dies, your BIOS/UEFI resets its date to a default factory time (e.g., January 1, 2009) upon every cold boot.