Ensure is disabled in your VM settings.
WinOLS is a highly protected professional software. Version 4.7 (often associated with VM—Virtual Machine—releases or older installers) includes a "time-bomb" or an expiration check. The software triggers this error for a few specific reasons:
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
Set the year back to (depending on when your specific 4.7 build was released).
This issue isn't typically about your actual calendar being incorrect; it’s a security handshake failure between the software and your operating system. Here is a comprehensive guide on why this happens and how to fix it. Why Does WinOLS 4.7 Show a Date Error? Ensure is disabled in your VM settings
In VMware, go to and uncheck "Synchronize guest time with host."
Edit the .vmx file of your virtual machine and add the line: tools.syncTime = "FALSE" . 4. Update the Codemeter Firmware The software triggers this error for a few
Set the date to a time when the software was known to work (e.g., January 1, 2022).