Fixing the "Your System Date is Wrong" Error in WinOLS 4.7 If you are a car tuning enthusiast or a professional remapper, you’ve likely encountered the frustrating error while trying to launch WinOLS 4.7. This pop-up usually prevents the software from opening, effectively stalling your workflow.
In VMware, go to and uncheck "Synchronize guest time with host."
Set the date to a time when the software was known to work (e.g., January 1, 2022).
Ensure is disabled in your VM settings.
Changing your system clock constantly is a hassle and can break your web browser. Instead, use a utility called . Download the RunAsDate utility (it’s a small, free tool). Select the WinOLS 4.7 executable ( WinOLS.exe ).
Check the box to ensure the software doesn't "freeze" in time.