The persistence of the error, even when your clock is correct, is due to how thorough the software's checks are. The date comparison is likely performed at a deep level within the program's code. If the date it reads does not match the hard-coded value it expects, it will trigger the error and refuse to start. This is why no matter how many times you correct the date in Windows, the software will still think it is wrong until you set it to the specific date it is programmed to accept.
Change the year to (or the specific year recommended by your software provider). Click Change to save. Launch WinOLS 4.7. winols 4.7 your system date is wrong
: If automatic sync fails, turn off "Set time automatically" and manually enter the current, correct date and time. The persistence of the error, even when your
Deleting the wrong registry key can crash your OS. Only attempt this if you are familiar with the software's specific registry paths. 5. Issues with "Loaders" (For Unofficial Versions) This is why no matter how many times
: Official support for older versions like 4.7 is limited. The current stable version is WinOLS 5.89 (as of April 2026), and upgrading often resolves these compatibility bugs. Advanced System Fixes If the clock is correct but the error persists:
, it's usually because the software's "trial" or "unlocked" period has expired based on your current calendar date. Try these steps to get back to work: Time Freeze Tools: Use a utility like
Right-click the clock in your taskbar > Adjust date/time > Click Sync now .
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