Right-click the time in your taskbar and select . Ensure "Set time automatically" is toggled On . Click the "Sync now" button under "Synchronize your clock".

Your Windows system clock may have drifted or been manually changed, causing the software's security layer to flag a "tamper" or "outdated" status.

: Some users of WinOLS 4.7 reported that right-clicking in projects and selecting Delete + Create index database resolved recurring bugs. Manual Activation Check

The splash screen appeared. The loading bar filled. And then, like a heavy vault door swinging open, the interface appeared. The project tree loaded. The map list populated. The checksum plugins initialized.

: The software may be attempting to verify a newer version online (like WinOLS 5 ) and failing because the system date doesn't match the current update logs. Recommended Solutions How to Fix Wrong Date & Time Issues in Windows PC