" if I forget to correct these settings, all the browsers not work properly. "
This isn't something I've seen. Usually I set the date, time and timezone then be sure the Network Time Service is running (see google) and it's fine.
But there are CRACK PIRATE WINDOWS that do what you noted and the fix is to use the real Microsoft issued OS.
I'm getting Messages on browser like these.
"Your clock is behind / ahead"
"Security certificate error"
'YouTube not work- No YouTube video thumbnails also'.
(Even in new laptops- No CMOS battery issues)
Usually when I format a computer, I will check system date and time settings including time zone. But some times if I forget to correct these settings, all the browsers not work properly.
After that if I properly set all the tile date and zone settings, the problem exist there. Some time i change time zone to Canada, YouTube will work on chrome. But IE not support.
Finally, to fix this problem, I have to reformat this computer with proper date and time settings.
Can anybody suggest a solution to fix this problem without reformat.?

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