Updating computer clock
In case the computer clock starts losing time again, the problem may be due to one of the following issues.CMOS which stands for ‘Complementary Metal-Oxide Semiconductor’ is a static Random Access Memory device that stores the BIOS values for your computer, including date and time information.There have also been cases when the Windows System Time may jump backward!
From the Win X Menu, open Settings service and double-click on it.To do this, open an elevated command prompt and type the following commands one after the other: Reboot your computer and see if it has helped.If nothing helps, check and replace your CMOS battery if it has been drained. If nothing works, make use of some free Time synchronization software.As mentioned above, the first approach in this case would be re-synchronizing your Windows computer with an online time server and see if this fixes the problem. Right click on Windows 10 in case you find that Windows Time Service has not been started.Now, start monitoring your computer’s time for a few days.