WinOLS 4.7 is an older version; as of early 2026, WinOLS 5 (currently version 5.89) is the standard supported release. Solutions and Workarounds 1. Rebuild the Project Index
WinOLS 47 — "Your system date is wrong" — Troubleshooting Guide winols 47 your system date is wrong
The trial uses a 30-day countdown based on the installation date. If you get "Your system date is wrong": WinOLS 4
Disclaimer: This article is for informational purposes only. Modifying software may violate its end-user license agreement. Always respect intellectual property rights. WinOLS 4.7 is an older version