Do you have your browsers set in prefs to automatically update themselves? If so, turn that off. You can update your own stuff when it complains enough that you get tired of the pop ups.
You may need to check your version of windows or whatever operating system you're running against what version of chrome has updated to. Sometimes you can get the prior version that was running good and re-install that. Sometimes the auto update borks things. And sometimes these updates are mostly cosmetic too.
Check you computer clock just for grins.
I won't use chrome personally, for home I use firefox.
And lastly, chrome has had some issues with security certificates lately.
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