Backup your registry before making changes.
Launch WinOLS. If it opens, you know the issue is a hard-coded expiration. 2. Using "RunAsDate" (The Permanent Solution) winols 47 your system date is wrong link
: If your computer loses the correct time every time it restarts, your motherboard's CMOS battery may be failing and need replacement. Update Software Backup your registry before making changes
The error "Your system date is wrong" in WinOLS 4.7 typically occurs when the software's internal licensing or security check detects a discrepancy between the computer's current time and its expected validation window. This is a common hurdle for users of automotive tuning software, often triggered by license expiration, manual clock changes, or deep-level software conflicts. Common Triggers for the Date Error Time Synchronization Failures This is a common hurdle for users of
To fix the error, follow these steps:
The quickest way to bypass the check is to manually set your Windows date back.
: The official current version is WinOLS 5 , which is optimized for Windows 10 and 11. If you are using a demo or older version, consider checking the official EVC download page for the latest stable build (currently 5.89 as of April 2026).
Backup your registry before making changes.
Launch WinOLS. If it opens, you know the issue is a hard-coded expiration. 2. Using "RunAsDate" (The Permanent Solution)
: If your computer loses the correct time every time it restarts, your motherboard's CMOS battery may be failing and need replacement. Update Software
The error "Your system date is wrong" in WinOLS 4.7 typically occurs when the software's internal licensing or security check detects a discrepancy between the computer's current time and its expected validation window. This is a common hurdle for users of automotive tuning software, often triggered by license expiration, manual clock changes, or deep-level software conflicts. Common Triggers for the Date Error Time Synchronization Failures
To fix the error, follow these steps:
The quickest way to bypass the check is to manually set your Windows date back.
: The official current version is WinOLS 5 , which is optimized for Windows 10 and 11. If you are using a demo or older version, consider checking the official EVC download page for the latest stable build (currently 5.89 as of April 2026).